OKLCH Studio · color reference

purple-900 in OKLCH

Tailwind v4 purple-900: oklch(0.381 0.176 305.0), HEX #59168B. WCAG + APCA pairs, Fix deep links, and @theme snippet.

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

#59168B · oklch(0.381 0.176 305.0)

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 white10.98:1 · AAA · Lc 94
#59168B on #FFFFFF
Open in Contrast →
White on swatch10.98:1 · AAA · Lc 98
#FFFFFF on #59168B
Open in Contrast →
Black on swatch1.91:1 · Fail · Lc 10
#000000 on #59168B
Open in Contrast →
Suggested text on swatch10.98:1 · AAA · Lc 98
#FFFFFF on #59168B
Open in Contrast →

Against #121212: On near-black (#121212), Fix nudges this stop to #A065DA for AA text.

@theme {
  --color-purple-900: oklch(0.381 0.176 305.0);
}

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