OKLCH Studio · color reference
CSS color rebeccapurple in OKLCH
Named CSS color rebeccapurple: oklch(0.440 0.160 303.4), HEX #663399. Contrast pairs (WCAG + APCA) and Fix links.
CSS “rebeccapurple” is a chromatic named color — great for accents. Run Fix before using it as text or as a text background.
#663399 · oklch(0.440 0.160 303.4)
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 white8.41:1 · AAA · Lc 88
#663399 on #FFFFFF
Open in Contrast → - White on swatch8.41:1 · AAA · Lc 93
#FFFFFF on #663399
Open in Contrast → - Black on swatch2.50:1 · Fail · Lc 16
#000000 on #663399
Open in Contrast → - Suggested text on swatch8.41:1 · AAA · Lc 93
#FFFFFF on #663399
Open in Contrast →
Dark surface pairing
Against #121212: On #121212, Fix suggests #A170DB for AA text.
Copy code
:root {
--rebeccapurple: oklch(0.440 0.160 303.4);
}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