OKLCH Studio · Tailwind v3 → v4
Tailwind red-700: v3 #b91c1c vs v4 oklch(0.505 0.213 27.5)
ChangedIn v4, red-700 is more saturated than in v3 (ΔL 0.000, ΔC +0.023, ΔH 0.0°).
The v4 value is outside the sRGB gamut, so #C10007 is a clipped sRGB approximation; wide-gamut displays can show it more vivid.
| v3 hex | #b91c1c |
|---|---|
| v3 as oklch() | oklch(0.505 0.190 27.5) |
| v4 oklch() | oklch(0.505 0.213 27.5) |
| v4 hex | #C10007 |
| ΔE-OK (×100) | 2.25 |
| ΔL (v4 − v3) | 0 |
| ΔC (v4 − v3) | 0.023 |
| ΔH (v4 − v3) | 0° |
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Tailwind v3 usage
color: #b91c1c;
// tailwind.config.js (v3)
colors.red[700] // #b91c1cTailwind v4 @theme token
@theme {
--color-red-700: oklch(0.505 0.213 27.5);
}
.example {
color: var(--color-red-700);
}Keep the v3 colour in v4
@theme {
--color-red-700: #b91c1c;
}