OKLCH Studio · color reference
CSS color blue in OKLCH
Named CSS color blue: oklch(0.452 0.313 264.1), HEX #0000FF. Contrast pairs (WCAG + APCA) and Fix links.
CSS “blue” is a chromatic named color — great for accents. Run Fix before using it as text or as a text background.
#0000FF · oklch(0.452 0.313 264.1)
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 white8.59:1 · AAA · Lc 86
#0000FF on #FFFFFF
Open in Contrast → - White on swatch8.59:1 · AAA · Lc 91
#FFFFFF on #0000FF
Open in Contrast → - Black on swatch2.44:1 · Fail · Lc 18
#000000 on #0000FF
Open in Contrast → - Suggested text on swatch8.59:1 · AAA · Lc 91
#FFFFFF on #0000FF
Open in Contrast →
Dark surface pairing
Against #121212: On #121212, Fix suggests #2F7FFF for AA text.
Copy code
:root {
--blue: oklch(0.452 0.313 264.1);
}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