OKLCH Studio · color reference

cyan-800 in OKLCH

Tailwind v4 cyan-800: oklch(0.450 0.085 224.3), HEX #005F78. WCAG + APCA pairs, Fix deep links, and @theme snippet.

cyan-800 is a deep shade — strong for text on light surfaces and dark UI chrome. Pair with lighter stops for surfaces.

#005F78 · oklch(0.450 0.085 224.3)

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 white7.22:1 · AAA · Lc 85
#005F78 on #FFFFFF
Open in Contrast →
White on swatch7.22:1 · AAA · Lc 89
#FFFFFF on #005F78
Open in Contrast →
Black on swatch2.91:1 · Fail · Lc 19
#000000 on #005F78
Open in Contrast →
Suggested text on swatch7.22:1 · AAA · Lc 89
#FFFFFF on #005F78
Open in Contrast →

Against #121212: On near-black (#121212), Fix nudges this stop to #428EA9 for AA text.

@theme {
  --color-cyan-800: oklch(0.450 0.085 224.3);
}

Static reference — the live Fix tool uses the same WCAG math with Undo and share links.