anthropic.com
Measured in a real browser on 4 November 2026. For reference and benchmarking.
Colours
primary#e8e6dc
secondary#faf9f5
neutral#141413
neutral#5e5d59
neutral#87867f
neutral#30302e
neutral#3d3d3a
neutral#b0aea5
neutral#dedcd1
neutral#000000
Fonts
- anthropicSans
- anthropicSerif
- anthropicMono
Type scale
49px
38px
21px
17px
16px
15px
13px
11px
Corners
4px
8px
16px
pill
pill
Spacing and depth
Spacing base: 2px
Distinct shadows: 1
Text and background pairs below WCAG AA: 0
Is this your site? To remove it, write to manavarya0178@gmail.com; it leaves the index, the sitemap and the compare tool on the next build. Measure your own site any time: npx designlang anthropic.com