HEX to HSL: #53EAFD

Also known as: Tailwind cyan-300

#53EAFD → hsl(187 98% 66%)

Values are shown at full precision, so converting back gives exactly #53eafd. 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 = 0.3255
G = 0.9176
B = 0.9922
```

2. max, min, Δ

max = 0.9922
min = 0.3255
Δ = max − min = 0.6667

3. L
```
L = (max + min) / 2 = 0.6588 = 65.88%
```

4. S

S = Δ / (1 − |2L − 1|) = 0.9770 = 97.70%

5. H

max is B → H = 60° × ((R − G) / Δ + 4) = 60° × ((0.3255 − 0.9176) / 0.6667 + 4) = 186.71°

6. HSL
```
hsl(186.71 97.70% 65.88%)
```

All formats

HEX: #53eafd
RGB: rgb(83 234 253)
RGB (legacy): rgb(83, 234, 253)
HSL: hsl(186.71 97.70% 65.88%) → hsl(187 98% 66%)
HWB: hwb(187 33% 1%)
OKLCH: oklch(0.865 0.127 207.1) · oklch(86.5% 0.127 207.1)
OKLab: oklab(0.865 -0.113 -0.058)
Lab (D50): lab(85.43 -36.83 -21.61)
LCH (D50): lch(85.43 42.70 210.40)
Display P3: color(display-p3 0.5034 0.9055 0.9801)
Linear sRGB: color(srgb-linear 0.0865 0.8228 0.9823)

Gamut: sRGB and Display P3

#53EAFD is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.133 and Display P3 reaches 0.144; this color uses 95% of the sRGB chroma available.

CSS snippets

.element {
  color: #53eafd;
  color: rgb(83 234 253);
  color: hsl(187 98% 66%);
  color: oklch(0.865 0.127 207.1);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.865 0.127 207.1);
}
/* arbitrary values */
class="text-[#53eafd] bg-[oklch(0.865_0.127_207.1)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.5034 0.9055 0.9801); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #53eafd 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

#6BFEFF · oklch(0.925 0.127 207.1) · ΔL +0.06
#37D6E9 · oklch(0.805 0.127 207.1) · 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?