OKLCH Studio · color reference
CSS color slategray in OKLCH
Named CSS color slategray: oklch(0.593 0.031 248.3), HEX #708090. Contrast pairs (WCAG + APCA) and Fix links.
CSS “slategray” is near-neutral — useful for text and borders; still verify AA on your exact surface.
#708090 · oklch(0.593 0.031 248.3)
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 white4.05:1 · Fail · Lc 68
#708090 on #FFFFFF
Open in Contrast → - White on swatchnot a suggestion4.05:1 · Fail · Lc 73
#FFFFFF on #708090
Demo of a common fail — not a suggestion.
Open in Contrast → - Black on swatch5.18:1 · AA · Lc 36
#000000 on #708090
Open in Contrast → - Fix → AA on white4.80:1 · AA · Lc 73
#647484 on #FFFFFF
Open in Contrast → - Suggested text on swatch4.79:1 · AA · Lc 36
#0D0D0D on #708090
Open in Contrast →
Dark surface pairing
Against #121212: slategray already passes AA on #121212.
Copy code
:root {
--slategray: oklch(0.593 0.031 248.3);
}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