OKLCH Studio · color reference

slate-950 in OKLCH

Tailwind v4 slate-950: oklch(0.129 0.042 264.7), HEX #020618. WCAG + APCA pairs, Fix deep links, and @theme snippet.

slate-950 is a deep shade — strong for text on light surfaces and dark UI chrome. Pair with lighter stops for surfaces.

#020618 · oklch(0.129 0.042 264.7)

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 white20.16:1 · AAA · Lc 106
#020618 on #FFFFFF
Open in Contrast →
White on swatch20.16:1 · AAA · Lc 108
#FFFFFF on #020618
Open in Contrast →
Black on swatch1.04:1 · Fail · Lc 0
#000000 on #020618
Open in Contrast →
Suggested text on swatch20.16:1 · AAA · Lc 108
#FFFFFF on #020618
Open in Contrast →

Against #121212: On near-black (#121212), Fix nudges this stop to #76839D for AA text.

@theme {
  --color-slate-950: oklch(0.129 0.042 264.7);
}

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