OKLCH Studio · color reference

red-50 in OKLCH

Tailwind v4 red-50: oklch(0.971 0.013 17.4), HEX #FEF2F2. WCAG + APCA pairs, Fix deep links, and @theme snippet.

red-50 is a light tint — best for soft backgrounds, chips, and borders. Prefer darker ink for body text; check Fix if you put text on it.

#FEF2F2 · oklch(0.971 0.013 17.4)

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 white1.09:1 · Fail · Lc 0
#FEF2F2 on #FFFFFF
Open in Contrast →
White on swatchnot a suggestion1.09:1 · Fail · Lc 0
#FFFFFF on #FEF2F2
Demo of a common fail — not a suggestion.
Open in Contrast →
Black on swatch19.20:1 · AAA · Lc 100
#000000 on #FEF2F2
Open in Contrast →
Fix → AA on white5.31:1 · AA · Lc 76
#736969 on #FFFFFF
Open in Contrast →
Suggested text on swatch17.77:1 · AAA · Lc 99
#0D0D0D on #FEF2F2
Open in Contrast →

Against #121212: This stop already passes AA as text on #121212 (17.13:1).

@theme {
  --color-red-50: oklch(0.971 0.013 17.4);
}

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