ietf.org
Measured in a real browser on 4 November 2026. For reference and benchmarking.
Colours
primary#1762bb
neutral#333741
neutral#565e64
neutral#000000
neutral#ffffff
neutral#49555c
neutral#dee2e6
Fonts
- Inter
- aktiv-grotesk
Type scale
288px
32px
28px
24px
20px
16px
14px
Corners
5px
Spacing and depth
Spacing base: 4px
Distinct shadows: 1
Text and background pairs below WCAG AA: 0
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