Radius
SourceCorner radii for borderRadius and the per-corner props. Every step but xs and full scales from base.
Match the radius to the size of the surface. Small controls take sm or md, cards take lg, big surfaces take xl and up. full is for anything that should read as a pill or a circle.
Scale
Each token and its resolved value.
xs
4pxBadges, skeleton barssm
0.6 x base, 8.4pxChips, small controlsmd
0.8 x base, 11.2pxInputs, nav rowsbase
0.875rem, 14pxThe root radiuslg
base, 14pxCards, panelsxl
1.4 x base, 19.6pxLarge surfaces2xl
1.8 x base, 25.2pxCallouts, error rows3xl
2.2 x base, 30.8pxHero surfaces4xl
2.6 x base, 36.4pxAction buttonsfull
9999pxPills, avatars, dotsUsage
borderTopLeftRadius and the other corner props take the same tokens for asymmetric shapes.
Card
<Box borderRadius="lg" padding="6" backgroundColor="card"> Card </Box>