OKLCH Studio · color reference

sky-50 in OKLCH

Tailwind v4 sky-50: oklch(0.977 0.013 236.6), HEX #F0F9FF. WCAG + APCA pairs, Fix deep links, and @theme snippet.

sky-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.

#F0F9FF · oklch(0.977 0.013 236.6)

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 white1.07:1 · Fail · Lc 0
#F0F9FF on #FFFFFF
Open in Contrast →
White on swatchnot a suggestion1.07:1 · Fail · Lc 0
#FFFFFF on #F0F9FF
Demo of a common fail — not a suggestion.
Open in Contrast →
Black on swatch19.70:1 · AAA · Lc 102
#000000 on #F0F9FF
Open in Contrast →
Fix → AA on white5.12:1 · AA · Lc 75
#676F74 on #FFFFFF
Open in Contrast →
Suggested text on swatch18.23:1 · AAA · Lc 101
#0D0D0D on #F0F9FF
Open in Contrast →

Against #121212: This stop already passes AA as text on #121212 (17.57:1).

@theme {
  --color-sky-50: oklch(0.977 0.013 236.6);
}

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