OKLCH Studio · color reference

rose-600 in OKLCH

Tailwind v4 rose-600: oklch(0.586 0.253 17.6), HEX #EC003F. WCAG + APCA pairs, Fix deep links, and @theme snippet.

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

#EC003F · oklch(0.586 0.253 17.6)

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 white4.53:1 · AA · Lc 69
#EC003F on #FFFFFF
Open in Contrast →
White on swatch4.53:1 · AA · Lc 74
#FFFFFF on #EC003F
Open in Contrast →
Black on swatch4.64:1 · AA · Lc 36
#000000 on #EC003F
Open in Contrast →
Suggested text on swatch4.53:1 · AA · Lc 74
#FFFFFF on #EC003F
Open in Contrast →

Against #121212: On near-black (#121212), Fix nudges this stop to #FC004B for AA text.

@theme {
  --color-rose-600: oklch(0.586 0.253 17.6);
}

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