OKLCH Studio · color reference

sky-800 in OKLCH

Tailwind v4 sky-800: oklch(0.443 0.110 240.8), HEX #00598A. WCAG + APCA pairs, Fix deep links, and @theme snippet.

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

#00598A · oklch(0.443 0.110 240.8)

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 white7.51:1 · AAA · Lc 86
#00598A on #FFFFFF
Open in Contrast →
White on swatch7.51:1 · AAA · Lc 90
#FFFFFF on #00598A
Open in Contrast →
Black on swatch2.80:1 · Fail · Lc 19
#000000 on #00598A
Open in Contrast →
Suggested text on swatch7.51:1 · AAA · Lc 90
#FFFFFF on #00598A
Open in Contrast →

Against #121212: On near-black (#121212), Fix nudges this stop to #3A89BC for AA text.

@theme {
  --color-sky-800: oklch(0.443 0.110 240.8);
}

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