IBM Plex Mono
IBM Plex® is the corporate typeface for IBM worldwide and an open-source project developed by the IBM Brand & Experience team (BX&D). Plex is an international typeface family designed to capture IBM’s brand spirit and history and to illustrate the unique relationship between mankind and machine—a principal theme for IBM since the turn of the century. The result is a neutral yet friendly Grotesque style typeface that balances design with the engineered details that make Plex distinctly IBM. The family includes a Sans, Sans Condensed, Mono, and Serif and has excellent legibility in print, web, and mobile interfaces. Plex’s three designs work well independently and even better together. Use the Sans as a contemporary compadre, the Serif for editorial storytelling, or the Mono to show code snippets. The unexpectedly expressive nature of the italics gives you even more options for your designs. Currently, IBM Plex Sans supports Extended Latin, Arabic, Cyrillic, Devanagari, Greek, Hebrew, Japanese, Korean and Thai.
- Classification
- Mono
- Foundry
- License
- free
- Source
- Get this font ↗
01Style templates
IBM Plex Mono for the heading, IBM Plex Sans for the body.
03Projects using IBM Plex Mono
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05Type scale
Waterfall · 64 → 16 pxDesign starts with a question.
Good letters carry the memory of the pen.
A soft serif with old-style warmth, drawn for display sizes and unhurried reading.
This typeface borrows the melting charm of phototype and rebuilds it, patiently, for the screen.
At text sizes the warmth settles into something quieter: open counters, a generous x-height, and forms that curve rather than cut. It reads like a well-worn paperback — familiar, unhurried, and slightly mischievous.
06Weights
7 styles07In context
Text settingsGood letters carry the memory of the pen.
The brief asked for warmth without nostalgia, and authority without sternness. IBM Plex Mono answered both at once — a face that feels typeset by hand yet holds up at retinal resolutions. At this size it settles into an unhurried rhythm: generous spacing, open counters, and letterforms that carry tone before they announce themselves.
Small sizes are where display faces usually apologise for themselves. IBM Plex Mono does not. Drop into text and the texture tightens into a competent, readable grey — open counters, a generous x-height, and forms that curve rather than cut. At text sizes the warmth settles into something quieter: familiar, unhurried, and slightly mischievous. It reads like a well-worn paperback, holding its voice across captions, footnotes, and long paragraphs without flattening into noise. Paired with a neutral grotesque for wayfinding and labels, it gives an identity system exactly one strong opinion — usually the right number — while the body keeps doing the quiet work underneath.
08Character set
Hover a glyph to inspect09About IBM Plex Mono
IBM Plex® is the corporate typeface for IBM worldwide and an open-source project developed by the IBM Brand & Experience team (BX&D). Plex is an international typeface family designed to capture IBM’s brand spirit and history and to illustrate the unique relationship between mankind and machine—a principal theme for IBM since the turn of the century. The result is a neutral yet friendly Grotesque style typeface that balances design with the engineered details that make Plex distinctly IBM. The family includes a Sans, Sans Condensed, Mono, and Serif and has excellent legibility in print, web, and mobile interfaces. Plex’s three designs work well independently and even better together. Use the Sans as a contemporary compadre, the Serif for editorial storytelling, or the Mono to show code snippets. The unexpectedly expressive nature of the italics gives you even more options for your designs. Currently, IBM Plex Sans supports Extended Latin, Arabic, Cyrillic, Devanagari, Greek, Hebrew, Japanese, Korean and Thai.