OKLCH Studio · color reference
CSS color darkblue in OKLCH
Named CSS color darkblue: oklch(0.288 0.199 264.1), HEX #00008B. Contrast pairs (WCAG + APCA) and Fix links.
CSS “darkblue” is a chromatic named color — great for accents. Run Fix before using it as text or as a text background.
#00008B · oklch(0.288 0.199 264.1)
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 white15.30:1 · AAA · Lc 100
#00008B on #FFFFFF
Open in Contrast → - White on swatch15.30:1 · AAA · Lc 103
#FFFFFF on #00008B
Open in Contrast → - Black on swatch1.37:1 · Fail · Lc 0
#000000 on #00008B
Open in Contrast → - Suggested text on swatch15.30:1 · AAA · Lc 103
#FFFFFF on #00008B
Open in Contrast →
Dark surface pairing
Against #121212: On #121212, Fix suggests #4278F8 for AA text.
Copy code
:root {
--darkblue: oklch(0.288 0.199 264.1);
}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