OKLCH to HEX: #A21CAF

Also known as: Tailwind v3 fuchsia-700

oklch(0.51802 0.22580 323.949) → #A21CAF

Values are shown at full precision, so converting back gives exactly #a21caf. The rounded form is what you normally paste into CSS.

Step-by-step math

Every number below is computed from the input, nothing is looked up.

1. input
```
oklch(0.51802 0.22580 323.949)
```

2. OKLCH → Oklab

a = C·cos H = 0.18256
b = C·sin H = -0.13288

3. Oklab → LMS′

l′ = L + 0.3963·a + 0.2158·b = 0.561698
m′ = L − 0.1056·a − 0.0639·b = 0.507234
s′ = L − 0.0895·a − 1.2915·b = 0.673302

4. cube

l = 0.561698³ = 0.177218
m = 0.507234³ = 0.130505
s = 0.673302³ = 0.305232

5. LMS → linear sRGB

R = 4.0767·l − 3.3077·m + 0.2310·s = 0.361300
G = −1.2684·l + 2.6098·m − 0.3413·s = 0.011613
B = −0.0042·l − 0.7034·m + 1.7076·s = 0.428676

6. linear → sRGB, × 255

R = 0.63529 × 255 = 162.00 → 162
G = 0.10981 × 255 = 28.00 → 28
B = 0.68626 × 255 = 175.00 → 175

7. RGB → HEX
```
#A21CAF
```

All formats

HEX: #a21caf
RGB: rgb(162 28 175)
RGB (legacy): rgb(162, 28, 175)
HSL: hsl(294.69 72.41% 39.80%) → hsl(295 72% 40%)
HWB: hwb(295 11% 31%)
OKLCH: oklch(0.518 0.226 323.9) · oklch(51.8% 0.226 323.9)
OKLab: oklab(0.518 0.183 -0.133)
Lab (D50): lab(40.36 64.13 -47.50)
LCH (D50): lch(40.36 79.81 323.48)
Display P3: color(display-p3 0.5831 0.1650 0.6632)
Linear sRGB: color(srgb-linear 0.3613 0.0116 0.4287)

Gamut: sRGB and Display P3

#A21CAF is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.244 and Display P3 reaches 0.264; this color uses 93% of the sRGB chroma available.

CSS snippets

.element {
  color: #a21caf;
  color: rgb(162 28 175);
  color: hsl(295 72% 40%);
  color: oklch(0.518 0.226 323.9);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.518 0.226 323.9);
}
/* arbitrary values */
class="text-[#a21caf] bg-[oklch(0.518_0.226_323.9)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.5831 0.1650 0.6632); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #a21caf calc(l - 0.1) c h); }

Nearby colors

Closest colors in the Tailwind and CSS named palettes (OKLab distance).

Lighter and darker, same hue and chroma

#B636C3 · oklch(0.578 0.226 323.9) · ΔL +0.06
#8E009C · oklch(0.458 0.226 323.9) · ΔL −0.06

Open in the studio

Open in the OKLCH picker Check contrast on white

Other converters for this color

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Guides: What is OKLCH?