OKLCH Studio · color reference

blue-700 in OKLCH

Tailwind v4 blue-700: oklch(0.488 0.243 264.4), HEX #1447E6. WCAG + APCA pairs, Fix deep links, and @theme snippet.

blue-700 is a saturated mid-dark — good for primary buttons and links on light surfaces; often works as background with light text after Fix.

#1447E6 · oklch(0.488 0.243 264.4)

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 white6.83:1 · AA · Lc 82
#1447E6 on #FFFFFF
Open in Contrast →
White on swatch6.83:1 · AA · Lc 87
#FFFFFF on #1447E6
Open in Contrast →
Black on swatch3.07:1 · Fail · Lc 22
#000000 on #1447E6
Open in Contrast →
Suggested text on swatch6.83:1 · AA · Lc 87
#FFFFFF on #1447E6
Open in Contrast →

Against #121212: On near-black (#121212), Fix nudges this stop to #407FFF for AA text.

@theme {
  --color-blue-700: oklch(0.488 0.243 264.4);
}

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