OKLCH Studio · color reference
CSS color crimson in OKLCH
Named CSS color crimson: oklch(0.571 0.222 20.1), HEX #DC143C. Contrast pairs (WCAG + APCA) and Fix links.
CSS “crimson” is a chromatic named color — great for accents. Run Fix before using it as text or as a text background.
#DC143C · oklch(0.571 0.222 20.1)
Contrast pairs
WCAG 2.1 normal text + APCA Lc. Open a pair in the live Fix tool — informational only, not a legal audit.
- Text on white4.99:1 · AA · Lc 72
#DC143C on #FFFFFF
Open in Contrast → - White on swatch4.99:1 · AA · Lc 78
#FFFFFF on #DC143C
Open in Contrast → - Black on swatch4.21:1 · Fail · Lc 32
#000000 on #DC143C
Open in Contrast → - Suggested text on swatch4.99:1 · AA · Lc 78
#FFFFFF on #DC143C
Open in Contrast →
Dark surface pairing
Against #121212: On #121212, Fix suggests #FA3D53 for AA text.
Copy code
:root {
--crimson: oklch(0.571 0.222 20.1);
}Related
Keep exploring
Static reference — the live Fix tool uses the same WCAG math with Undo and share links.
Contrast Fix →OKLCH Studio homeTailwind indexCSS names index