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Discover beautiful fonts and perfect pairings for your next project. Browse 8,500+ fonts with accessibility ratings.

© 2026 TypeSmith · Robert David Orr

  1. Fonts
  2. /
  3. Sans Serif
  4. /
  5. IBM Plex Sans

IBM Plex Sans

IBM Plex Sans delivers clean, contemporary letterforms optimized for digital interfaces and modern design systems.

Scroll to explore
Sans Serifby Mike Abbink95% Accessible
Characters646
Glyphs775
Typography Tools

Best Ways to Use IBM Plex Sans

01

Best Font Pairings for IBM Plex Sans

TypeSmith curates 3 expert font pairings for IBM Plex Sans, including combinations with Afta Serif, Theano Modern and Lato.

Each pairing includes accessibility ratings, expert reasoning, and usage recommendations for web and print design.

Explore 3 Pairings for IBM Plex Sans
02

Test IBM Plex Sans Font Pairings Live

TypeSmith's interactive testing tool lets you preview IBM Plex Sans with any font combination in real-time, optimized for sans serif characteristics.

Adjust font sizes, weights, and see live typography specimens including editorial layouts, code editors, and UI components.

Test IBM Plex Sans Pairings Live
Featured In

Recommendation Lists

By Classification

Top 10 Grotesque Fonts

Ranked #6
Specialty

Top 10 Multilingual Fonts

Ranked #7

In Context

IBM Plex Sans Specimen Gallery

EditorialUI ComponentsPosterWordmark

IBM Plex Sans Editorial Specimen

IBM Plex Sans in Editorial Context

IBM Plex Sans is a sans serif typeface by Mike Abbink suited for editorial layouts and long-form reading.

Mike Abbink

Typeface Designer • Sans Serif

IBM Plex Sans demonstrates editorial readability through balanced proportions and consistent stroke weight. As a sans serif typeface, it delivers clear letterforms that sustain reader engagement across extended passages of text.

The weight range of IBM Plex Sans supports typographic hierarchy within editorial layouts. Headline weights establish visual anchors while lighter weights maintain comfortable reading rhythm in body text columns.

Designed by Mike Abbink, IBM Plex Sans balances personality with function — providing enough character to establish visual identity without compromising the legibility that editorial contexts demand.

IBM Plex Sans
ProductsSolutionsResourcesPricing

IBM Plex Sans Typography

A sans serif typeface for UI components.

Active2 weights available
DefaultInfoSuccessWarningError
IBM Plex Sans Specimen

IBM Plex Sans

IBM Plex Sans is a sans serif typeface by Mike Abbink built for display contexts.

2 WeightsSans Serif Typeface
Available on TypeSmith

Wordmark Explorations

IBM Plex Sans
IBM Plex Sans
IBM PLEX SANS
IBM PLEX SANSTYPE
I

Tagline Pairings

IBM Plex Sans— sans serif typeface
IBM Plex SansBy Mike Abbink
IBM Plex SansTYPE

Editorial

Magazine-style headline and body text layout

Character Set

IBM Plex Sans Glyphs & Characters

Size48
Showing 62 of 187 charactersDouble-click to copy • Click for details
ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789

Type Scale

IBM Plex Sans Typography Scale

Heading Level 1<h1>
64px
Bold
72px
IBM Plex Sans primary headline
Heading Level 2<h2>
48px
SemiBold
56px
IBM Plex Sans section heading
Heading Level 3<h3>
32px
Medium
40px
IBM Plex Sans subsection title
Heading Level 4<h4>
24px
Regular
32px
IBM Plex Sans content heading
Heading Level 5<h5>
18px
Regular
26px
IBM Plex Sans minor heading
Heading Level 6<h6>
14px
Medium
20px
IBM Plex Sans smallest heading
Font SizeWeightLine Height
Body Copy

Reading Text in IBM Plex Sans

TypeSmith provides optimized body text specifications for IBM Plex Sans, including recommended sizes, line heights, and letter spacing for long-form content. These settings ensure maximum readability across devices and screen sizes.

IBM Plex Sans demonstrates exceptional body text performance with balanced proportions and consistent stroke widths that enhance readability across paragraph lengths.

When setting IBM Plex Sans for body copy, TypeSmith recommends these optimized specifications. The carefully tuned metrics ensure comfortable reading at extended lengths while maintaining the typeface's distinctive character.

IBM Plex Sans small text sizes retain legibility through well-defined letterforms. Caption and footnote applications benefit from the font's clear x-height and open counters.

ElementWeightSizeLine HeightTrackingPreview
Body TextRegular16px24px0.5pxIBM Plex Sans delivers excellent readability for body copy
ItalicizedRegular Italic16px24px0.5pxIBM Plex Sans italic provides elegant emphasis
BoldBold16px24px0.5pxIBM Plex Sans bold creates strong visual hierarchy
Small CapsRegular16px24px0.5pxIBM Plex Sans typography specimen
Secondary TextMedium14px20px0.5pxIBM Plex Sans typography specimen
.your-class { font-family: 'IBM Plex Sans'; }

Quick Start

Using IBM Plex Sans in Your Design

HTML Link Tag

Add to your <head> section

<link href="https://fonts.bunny.net/css?family=IBM+Plex+Sans:400,700&display=swap" rel="stylesheet">

CSS @import

Add at top of your stylesheet

@import url('https://fonts.bunny.net/css?family=IBM+Plex+Sans:400,700&display=swap');

CSS @font-face

Self-host the font files

@font-face {
  font-family: 'IBM Plex Sans';
  src: url('https://fonts.google.com/specimen/IBM+Plex+Sans');
  font-display: swap;
}

Implementation

Styling with IBM Plex Sans

Standard CSS

css

Apply directly to any CSS class or selector.

 1.my-text {
 2  font-family: 'IBM Plex Sans', sans-serif;
 3  font-weight: 400;
 4}

SCSS Variable

scss

Define once, use throughout your stylesheet.

 1$font-primary: 'IBM Plex Sans', sans-serif;
 2
 3.my-text {
 4  font-family: $font-primary;
 5}

Tailwind CSS

config

Configure once, apply with utility classes.

 1// tailwind.config.js
 2module.exports = {
 3  theme: {
 4    extend: {
 5      fontFamily: {
 6        'ibm-plex-sans': ['IBM Plex Sans', 'sans-serif'],
 7      },
 8    },
 9  },
10}
11
12// Usage in HTML
13<p class="font-ibm-plex-sans">Your text here</p>

About

Inside IBM Plex Sans

Mike Abbink
Sans Serif
Open Source

IBM Plex Sans achieves human touch and natural flow, making it well-suited for web content. Its modern aesthetic and no decorative strokes contribute to its versatile character. Particularly effective for web content and digital interfaces, IBM Plex Sans adapts confidently across design contexts. Extended language coverage includes IBM Plex Sans supports over 100 languages, including those that use Latin, Cyrillic, and Greek scrip....

IBM Plex Sans comes from the work of Mike Abbink at IBM. The typeface's neutral forms and open counters reflect a design philosophy optimized for 2010s corporate identity design, adopted for IBM corporate identity.

As a Neo-grotesque sans-serif in the Vox-ATypI Lineal family, IBM Plex Sans balances IBM heritage with contemporary neo-grotesque structure. Its no serif extensions on stroke terminals and stroke contrast ranging from monolinear to subtly modulated make it a strong fit for corporate identity systems requiring neutrality.

IBM Plex Sans is available in a single weight, offering focused typographic consistency across digital and print workflows, with 3 font pairings curated. Extended language support spanning Cyrillic, Greek, and Latin Extended ensures reliable rendering across global audiences.

IBM Plex Sans

Typography Judgment

Expert Analysis of IBM Plex Sans

TypeSmith evaluates every font across classification, accessibility, and design heritage. This analysis helps designers understand IBM Plex Sans's strengths and ideal use cases before committing to a typography decision.

1

Classification

Neo-grotesque sans-serif classification. IBM Plex Sans exhibits neutral forms, open counters, distinctive slashed zero. Designed by Mike Abbink at IBM and Bold Monday in 2017. Created as the IBM corporate typeface, replacing Helvetica Neue. Notable adoption includes IBM corporate identity and Carbon Design System.

2

Accessibility

Readability assessment (grade: 95). IBM Plex Sans performs strongly for sustained reading across digital and print contexts. Humanist sans-serifs offer the best body-text readability in the category.

3

Design Heritage

Designed by Mike Abbink at IBM. IBM Plex Sans balances IBM heritage with contemporary neo-grotesque structure, delivered as a single focused weight. The designer's portfolio includes ibm plex serif and ibm plex mono.

Overview

About IBM Plex Sans

IBM Plex Sans represents a Neo-grotesque sans-serif in the Vox-ATypI Lineal family, designed during the 2010s corporate identity design era. Built with neutral forms and open counters, IBM Plex Sans serves as a standard typeface for corporate identity systems requiring neutrality, with notable adoption in IBM corporate identity. TypeSmith features IBM Plex Sans in a single weight variant and 3 curated font pairings.

Font Pairings Available
3 curated pairings for IBM Plex Sans
View Pairings

Categories

Browse by Classification

DisplayHandwritingMonospaceSans SerifSerif

Explore More

Fonts Similar to IBM Plex Sans

View all fonts

TypeSmith identifies 5 fonts with similar visual characteristics to IBM Plex Sans based on classification, x-height ratio, and stroke weight. These alternatives maintain the same typographic personality while offering different weight options and language support.

Aa
Galdeano
Sans Serif
Aa
Aclonica
Sans Serif
Aa
Encode Sans
Sans Serif
Aa
Encode Sans Expanded
Sans Serif
Aa
Advent Pro
Sans Serif

Inclusive Design

Accessibility & Usability

95
Accessibility Score
Excellent Accessibility

Accessibility Features of IBM Plex Sans

IBM Plex Sans scores in the excellent accessibility tier, making it well-suited for body text, UI labels, and long-form reading across devices. Grotesques with ambiguous letterforms (I/l/1) reduce accessibility. Choose designs with distinct character differentiation and open apertures for inclusive typography.

Legibility Analysis: IBM Plex Sans

IBM Plex Sans draws legibility from its no serif extensions on stroke terminals and stroke contrast ranging from monolinear to subtly modulated. These characteristics help readers distinguish similar glyphs such as I, l, and 1 at a range of sizes.

IBM Plex Sans's Readability

Humanist sans-serifs offer the best body-text readability in the category. Geometric and neo-grotesque designs excel in short-form UI text but require careful sizing for sustained reading. Use at 16 px minimum for body text, and maintain 1.5 line-height to support comfortable reading rhythm.

IBM Plex Sans's Visual Fatigue and Adaptability

IBM Plex Sans provides a focused weight range that maintains consistent typographic color across paragraphs. Balanced stroke modulation keeps visual noise low during sustained reading sessions.

IBM Plex Sans Accessibility Recommendations

Maintain a minimum contrast ratio of 4.5:1 for body text and 3:1 for large text when setting IBM Plex Sans. Use font sizes of at least 16 px for paragraph copy and line spacing of 1.5 or greater. Test IBM Plex Sans at 200% browser zoom to confirm line breaks and layout integrity remain intact.

Working with IBM Plex Sans: Best Practices

Pair with Garalde or Transitional serifs for classic contrast. A humanist sans body with a geometric sans display creates intra-category tension without conflict. A focused set of pairings helps designers find compatible companions for IBM Plex Sans. Establish hierarchy through size, spacing, and color rather than multiplying font families. Serve IBM Plex Sans in WOFF2 format with its extended character set to ensure consistent rendering across global audiences.

Get the Font

Download IBM Plex Sans

Available on Google Fonts
4 weights available for download
Download

Available Weights

400
Regular
400
Regular Italic
700
Bold
700
Bold Italic

Weight Reference

Aa
100
Aa
200
Aa
300
Aa
400
Aa
500
Aa
600
Aa
700
Aa
800
Aa
900

Internationalization

Language Support

Extended Latin Coverage
Supports 100+ languages with Latin script

Western European

  • English
  • French
  • German
  • Spanish
  • Italian
  • Portuguese
  • Dutch

Nordic

  • Swedish
  • Norwegian
  • Danish
  • Finnish
  • Icelandic

Central European

  • Polish
  • Czech
  • Hungarian
  • Romanian
  • Slovak

Baltic

  • Lithuanian
  • Latvian
  • Estonian

IBM Plex Sans supports over 100 languages, including those that use Latin, Cyrillic, and Greek scripts, making it a versatile font choice for global applications.

Legal

Usage Rights for IBM Plex Sans

SIL Open Font License (OFL) 1.1
Free for personal and commercial use
View License

What you can do

  • Personal projects
  • Commercial projects
  • Web embedding
  • App embedding
  • Modification
  • Redistribution

Restrictions

  • Selling as standalone

Modified versions must use a different name and be distributed under the same OFL license.

IBM Plex Sans is available under the SIL Open Font License (OFL), Version 1.1. This license is a free, libre, and open source license specifically designed for fonts and related software. The OFL allows the fonts to be used, studied, modified, and redistributed freely as long as they are not sold by themselves. This makes IBM Plex Sans ideal for web projects, applications, documents, and print materials of any kind.