Castoro
serif · Designed by Tiro Typeworks, John Hudson, Paul Hanslow, Kaja Słojewska
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Castoro is a sturdy, upright serif with moderate contrast between thick and thin strokes. It has a classical structure rooted in traditional book typography, but its proportions feel contemporary enough to work in modern contexts. The letterforms are clean and confident without being rigid, and the overall texture is even and readable at a range of sizes. It carries a quiet sense of authority rather than ornamentation, making it feel professional and grounded rather than decorative or attention-seeking.
This font works well for editorial design, particularly in magazine layouts or long-form online articles where body copy needs to stay readable while maintaining a degree of typographic character. It suits branding for businesses that want to communicate reliability and craft without resorting to generic sans-serifs, such as publishers, independent retailers, or professional services firms. It also performs well as a display heading font on websites where a traditional but refined aesthetic is the goal, pairing naturally with minimal layouts and neutral color palettes.
Best suited for: Editorial layouts, long-form digital content, professional branding for publishers and service firms, and refined website headings requiring classical typographic character.
Design considerations: Castoro's moderate stroke contrast and even texture support extended reading while maintaining visual interest beyond neutral sans-serifs. The italic variant expands versatility for emphasis and hierarchical distinction in editorial contexts.
Pairing guidance: Pair Castoro with Playfair Display for sophisticated editorial spreads where display needs dramatic presence, Source Serif 4 for flexible multi-weight hierarchies across extended text and headings, or DM Mono to introduce technical precision and contemporary contrast in layouts emphasizing craft and professionalism.
Pairs well with
Castoro at a glance
Tiro Typeworks, John Hudson, Paul Hanslow, Kaja Słojewska
SIL Open Font License 1.1
November 2020
September 2025
2 (1 weight + italics)
Serif
2
Google Fonts
All 2 Castoro styles
| Weight | Name | Upright | Italic |
|---|---|---|---|
| 400 | Regular | Aa Bb Gg 123 | Aa Bb Gg 123 |
Castoro character map
Which languages does Castoro support?
Castoro includes 2 character sets:
- 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
It does not include Cyrillic or Greek characters, so it can't set Russian, Ukrainian or Greek text.
Can I use Castoro commercially?
Yes, it's free for personal and commercial use. Castoro 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.