OKLCH Studio · color reference

teal-900 in OKLCH

Tailwind v4 teal-900: oklch(0.386 0.063 188.4), HEX #0B4F4A. WCAG + APCA pairs, Fix deep links, and @theme snippet.

teal-900 is a deep shade — strong for text on light surfaces and dark UI chrome. Pair with lighter stops for surfaces.

#0B4F4A · oklch(0.386 0.063 188.4)

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 white9.41:1 · AAA · Lc 91
#0B4F4A on #FFFFFF
Open in Contrast →
White on swatch9.41:1 · AAA · Lc 96
#FFFFFF on #0B4F4A
Open in Contrast →
Black on swatch2.23:1 · Fail · Lc 13
#000000 on #0B4F4A
Open in Contrast →
Suggested text on swatch9.41:1 · AAA · Lc 96
#FFFFFF on #0B4F4A
Open in Contrast →

Against #121212: On near-black (#121212), Fix nudges this stop to #4D8883 for AA text.

@theme {
  --color-teal-900: oklch(0.386 0.063 188.4);
}

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