OKLCH Studio · color reference

slate-600 in OKLCH

Tailwind v4 slate-600: oklch(0.446 0.043 257.3), HEX #45556C. WCAG + APCA pairs, Fix deep links, and @theme snippet.

slate-600 is a saturated mid-dark — good for primary buttons and links on light surfaces; often works as background with light text after Fix.

#45556C · oklch(0.446 0.043 257.3)

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 white7.58:1 · AAA · Lc 86
#45556C on #FFFFFF
Open in Contrast →
White on swatch7.58:1 · AAA · Lc 91
#FFFFFF on #45556C
Open in Contrast →
Black on swatch2.77:1 · Fail · Lc 18
#000000 on #45556C
Open in Contrast →
Suggested text on swatch7.58:1 · AAA · Lc 91
#FFFFFF on #45556C
Open in Contrast →

Against #121212: On near-black (#121212), Fix nudges this stop to #72839C for AA text.

@theme {
  --color-slate-600: oklch(0.446 0.043 257.3);
}

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