Roboto Slab
Designed by Christian Robertson at Google, Roboto Slab brings the mechanical clarity and geometric skeleton of the Roboto family into the slab-serif genre with sturdy rectangular serifs and open letterforms. Its dual nature — combining rational structure with friendly, open curves — ensures strong digital legibility at any size, making it a natural fit for tech brands, content-heavy websites, and editorial layouts. Available as a variable font with weights from Thin to Black, it pairs seamlessly with Roboto Sans for cohesive typographic systems.
The quick brown fox jumps over the lazy dog
ABCDEFGHIJKLMNOPQRSTUVWXYZ
abcdefghijklmnopqrstuvwxyz 0123456789
About Roboto Slab
- Designer
- Christian Robertson
- Foundry
- Released
- 2013
- License
- Apache License 2.0
- Category
- Slab Serif
- Recommended Weight
- 700
- Variable Axes
- weight
- Script Support
- Latin, Cyrillic, Greek, Vietnamese
- Available Weights
- 100200300400500600700800900
Who Uses Roboto Slab
Google Keep (Default font at launch).
Pairs Well With
Open Sans
Open Sans shares a similar neutral, screen-optimized character that pairs naturally with Roboto Slab, providing clean body text that lets the slab serifs anchor headings with authority.
Compare side by sideMontserrat
Montserrat's geometric structure complements Roboto Slab's mechanical precision, creating a modern pairing where both fonts share rational design DNA.
Compare side by sideNunito
Nunito's rounded softness provides a warm contrast to Roboto Slab's sturdy serifs, balancing approachability with structural clarity in editorial layouts.
Compare side by sideSimilar Fonts
Frequently Asked Questions
How does Roboto Slab relate to the Roboto font family?
Roboto Slab shares the same underlying skeleton and proportions as Roboto Sans, with sturdy rectangular slab serifs added to the letterforms. This shared DNA makes them pair seamlessly in typographic systems where a slab serif is needed for headings and Roboto Sans handles body text.
Why does Roboto Slab use the Apache License instead of SIL OFL?
Roboto Slab uses the Apache License 2.0 because it was developed as part of Google's Roboto family, which has always been released under Apache licensing. This license is similarly permissive to SIL OFL but follows different conventions around attribution and patent grants.
Is Roboto Slab suitable for long-form reading?
Roboto Slab works well for moderate-length content like blog posts and articles thanks to its open letterforms and generous x-height. For very long-form reading, however, its mechanical slab serifs can create visual fatigue compared to transitional serifs designed specifically for sustained reading.