OKLCH Studio · color reference

slate-800 in OKLCH

Tailwind v4 slate-800: oklch(0.279 0.041 260.0), HEX #1D293D. WCAG + APCA pairs, Fix deep links, and @theme snippet.

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

#1D293D · oklch(0.279 0.041 260.0)

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 white14.62:1 · AAA · Lc 101
#1D293D on #FFFFFF
Open in Contrast →
White on swatch14.62:1 · AAA · Lc 104
#FFFFFF on #1D293D
Open in Contrast →
Black on swatch1.44:1 · Fail · Lc 0
#000000 on #1D293D
Open in Contrast →
Suggested text on swatch14.62:1 · AAA · Lc 104
#FFFFFF on #1D293D
Open in Contrast →

Against #121212: On near-black (#121212), Fix nudges this stop to #728199 for AA text.

@theme {
  --color-slate-800: oklch(0.279 0.041 260.0);
}

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