Source Sans 3
sans-serif · Designed by Paul D. Hunt
Instant CSS & Tailwind Generator
Snippet updates automatically to match whichever weight you select above.
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Source Sans 3 is a clean, neutral sans-serif with open letterforms and consistent stroke widths that make it highly legible at a range of sizes. Designed by Paul D. Hunt for Adobe, it carries a professional, no-nonsense character without feeling cold or mechanical. Its slightly humanist touches give it enough warmth to feel approachable, while its overall structure keeps things orderly and efficient. It handles long stretches of text well and remains clear at small sizes, which is part of why it has become a go-to choice for functional design work.
Source Sans 3 works well as a UI font for web applications and dashboards where readability under varied conditions matters more than visual flair. It is a solid choice for documentation, technical writing, and government or institutional websites that need to communicate clearly without distraction. It also holds up well in editorial layouts for digital publications where body text needs to stay comfortable across devices and screen sizes.
Best suited for: Recommended for UI design, technical documentation, long-form digital reading, institutional websites, and applications where consistent legibility across sizes and devices is essential.
Design considerations: The extensive weight range from 200 to 900 supports flexible typographic hierarchy and emphasis without requiring additional typefaces. Its neutral, open letterforms perform reliably in both display and body text roles, making it adaptable across different layout contexts and screen environments.
Pairing guidance: Pair Source Sans 3 with Playfair Display or Merriweather to introduce serif contrast and visual interest in editorial layouts, reserving the sans-serif for body text and UI elements. Dancing Script can add a personal or informal accent to headings or callouts while Source Sans 3 maintains functional clarity in supporting text.
Pairs well with
Source Sans 3 at a glance
Paul D. Hunt
SIL Open Font License 1.1
September 2021
September 2025
16 (8 weights + italics)
Yes: weight 200–900
Sans Serif
7
Google Fonts
All 16 Source Sans 3 styles
| Weight | Name | Upright | Italic |
|---|---|---|---|
| 200 | ExtraLight | Aa Bb Gg 123 | Aa Bb Gg 123 |
| 300 | Light | Aa Bb Gg 123 | Aa Bb Gg 123 |
| 400 | Regular | Aa Bb Gg 123 | Aa Bb Gg 123 |
| 500 | Medium | Aa Bb Gg 123 | Aa Bb Gg 123 |
| 600 | SemiBold | Aa Bb Gg 123 | Aa Bb Gg 123 |
| 700 | Bold | Aa Bb Gg 123 | Aa Bb Gg 123 |
| 800 | ExtraBold | Aa Bb Gg 123 | Aa Bb Gg 123 |
| 900 | Black | Aa Bb Gg 123 | Aa Bb Gg 123 |
Source Sans 3 character map
Which languages does Source Sans 3 support?
Source Sans 3 includes 7 character sets:
- Cyrillic: Russian, Ukrainian, Bulgarian, Serbian and other Cyrillic-script languages
- Cyrillic Extended: additional Cyrillic letters used in languages such as Kazakh, Tatar and Bashkir
- Greek: modern Greek
- Greek Extended: polytonic (ancient) Greek
- Latin: English, Spanish, French, German, Italian, Portuguese and other Western European languages
- Latin Extended: Central and Eastern European languages such as Polish, Czech, Turkish, Romanian and Hungarian
- Vietnamese: Vietnamese, including its stacked tone marks
Can I use Source Sans 3 commercially?
Yes, it's free for personal and commercial use. Source Sans 3 is released under the SIL Open Font License 1.1. You can use it in logos, websites, apps, videos, printed products and merchandise without paying or asking permission. The one thing you can't do is sell the font file on its own.