HEX to HSL: #5F9EA0

Also known as: CSS cadetblue

#5F9EA0 → hsl(182 25% 50%)

Values are shown at full precision, so converting back gives exactly #5f9ea0. 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 = 0.3725
G = 0.6196
B = 0.6275
```

2. max, min, Δ

max = 0.6275
min = 0.3725
Δ = max − min = 0.2549

3. L
```
L = (max + min) / 2 = 0.5000 = 50.00%
```

4. S

S = Δ / (1 − |2L − 1|) = 0.2549 = 25.49%

5. H

max is B → H = 60° × ((R − G) / Δ + 4) = 60° × ((0.3725 − 0.6196) / 0.2549 + 4) = 181.85°

6. HSL
```
hsl(181.85 25.49% 50.00%)
```

All formats

HEX: #5f9ea0
RGB: rgb(95 158 160)
RGB (legacy): rgb(95, 158, 160)
HSL: hsl(181.85 25.49% 50.00%) → hsl(182 25% 50%)
HWB: hwb(182 37% 37%)
OKLCH: oklch(0.658 0.065 198.3) · oklch(65.8% 0.065 198.3)
OKLab: oklab(0.658 -0.062 -0.020)
Lab (D50): lab(60.95 -20.74 -7.79)
LCH (D50): lch(60.95 22.16 200.59)
Display P3: color(display-p3 0.4299 0.6134 0.6236)
Linear sRGB: color(srgb-linear 0.1144 0.3419 0.3515)

Gamut: sRGB and Display P3

#5F9EA0 is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.112 and Display P3 reaches 0.150; this color uses 58% of the sRGB chroma available.

CSS snippets

.element {
  color: #5f9ea0;
  color: rgb(95 158 160);
  color: hsl(182 25% 50%);
  color: oklch(0.658 0.065 198.3);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.658 0.065 198.3);
}
/* arbitrary values */
class="text-[#5f9ea0] bg-[oklch(0.658_0.065_198.3)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.4299 0.6134 0.6236); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #5f9ea0 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

#71B1B3 · oklch(0.718 0.065 198.3) · ΔL +0.06
#4D8C8E · oklch(0.598 0.065 198.3) · ΔL −0.06

Open in the studio

Open in the OKLCH picker Check contrast on white

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Guides: What is OKLCH?