OKLCH Studio · color reference
indigo-500 in OKLCH
Tailwind v4 indigo-500: oklch(0.585 0.233 277.1), HEX #615FFF. WCAG + APCA pairs, Fix deep links, and @theme snippet.
indigo-500 is Tailwind’s default brand stop — strong for accents and buttons. Verify text on this swatch with Fix; many 500s fail white-on-color for body text.
#615FFF · oklch(0.585 0.233 277.1)
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 white4.58:1 · AA · Lc 71
#615FFF on #FFFFFF
Open in Contrast → - White on swatch4.58:1 · AA · Lc 77
#FFFFFF on #615FFF
Open in Contrast → - Black on swatch4.59:1 · AA · Lc 33
#000000 on #615FFF
Open in Contrast → - Suggested text on swatch4.58:1 · AA · Lc 77
#FFFFFF on #615FFF
Open in Contrast →
Dark surface pairing
Against #121212: On near-black (#121212), Fix nudges this stop to #6C6CFF for AA text.
Copy code
@theme {
--color-indigo-500: oklch(0.585 0.233 277.1);
}Related
Convert #615FFF
Keep exploring
Static reference — the live Fix tool uses the same WCAG math with Undo and share links.
Contrast Fix →OKLCH Studio homeTailwind indexCSS names index