HEX to HSL: #8B008B

Also known as: CSS darkmagenta

#8B008B → hsl(300 100% 27%)

Values are shown at full precision, so converting back gives exactly #8b008b. 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. RGB ÷ 255
```
R = 0.5451
G = 0.0000
B = 0.5451
```

2. max, min, Δ

max = 0.5451
min = 0.0000
Δ = max − min = 0.5451

3. L
```
L = (max + min) / 2 = 0.2725 = 27.25%
```

4. S

S = Δ / (1 − |2L − 1|) = 1.0000 = 100.00%

5. H

max is R → H = 60° × (((G − B) / Δ) mod 6) = 60° × (((0.0000 − 0.5451) / 0.5451) mod 6) = 300.00°

6. HSL
```
hsl(300.00 100.00% 27.25%)
```

All formats

HEX: #8b008b
RGB: rgb(139 0 139)
RGB (legacy): rgb(139, 0, 139)
HSL: hsl(300.00 100.00% 27.25%) → hsl(300 100% 27%)
HWB: hwb(300 0% 45%)
OKLCH: oklch(0.447 0.205 328.4) · oklch(44.7% 0.205 328.4)
OKLab: oklab(0.447 0.175 -0.108)
Lab (D50): lab(32.50 59.56 -38.52)
LCH (D50): lch(32.50 70.94 327.11)
Display P3: color(display-p3 0.4982 0.0902 0.5266)
Linear sRGB: color(srgb-linear 0.2582 0.0000 0.2582)

Gamut: sRGB and Display P3

#8B008B is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.205 and Display P3 reaches 0.224; this color uses 100% of the sRGB chroma available.

CSS snippets

.element {
  color: #8b008b;
  color: rgb(139 0 139);
  color: hsl(300 100% 27%);
  color: oklch(0.447 0.205 328.4);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.447 0.205 328.4);
}
/* arbitrary values */
class="text-[#8b008b] bg-[oklch(0.447_0.205_328.4)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.4982 0.0902 0.5266); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #8b008b 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

#9F239E · oklch(0.507 0.205 328.4) · ΔL +0.06
#780078 · oklch(0.387 0.205 328.4) · 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?