OKLCH Studio · color reference
cyan-500 in OKLCH
Tailwind v4 cyan-500: oklch(0.715 0.143 215.2), HEX #00B8DB. WCAG + APCA pairs, Fix deep links, and @theme snippet.
cyan-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.
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 white2.37:1 · Fail · Lc 46
#00B8DB on #FFFFFF
Open in Contrast → - White on swatchnot a suggestion2.37:1 · Fail · Lc 51
#FFFFFF on #00B8DB
Demo of a common fail — not a suggestion.
Open in Contrast → - Black on swatch8.88:1 · AAA · Lc 58
#000000 on #00B8DB
Open in Contrast → - Fix → AA on white5.00:1 · AA · Lc 74
#00799A on #FFFFFF
Open in Contrast → - Suggested text on swatch8.22:1 · AAA · Lc 58
#0D0D0D on #00B8DB
Open in Contrast →
Dark surface pairing
Against #121212: This stop already passes AA as text on #121212 (7.92:1).
Copy code
@theme {
--color-cyan-500: oklch(0.715 0.143 215.2);
}Related
Convert #00B8DB
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