HEX to HSL: #D1D5DB

Also known as: Tailwind v3 gray-300

#D1D5DB → hsl(216 12% 84%)

Values are shown at full precision, so converting back gives exactly #d1d5db. 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 = 0.8196
G = 0.8353
B = 0.8588
```

2. max, min, Δ

max = 0.8588
min = 0.8196
Δ = max − min = 0.0392

3. L
```
L = (max + min) / 2 = 0.8392 = 83.92%
```

4. S

S = Δ / (1 − |2L − 1|) = 0.1220 = 12.20%

5. H

max is B → H = 60° × ((R − G) / Δ + 4) = 60° × ((0.8196 − 0.8353) / 0.0392 + 4) = 216.00°

6. HSL
```
hsl(216.00 12.20% 83.92%)
```

All formats

HEX: #d1d5db
RGB: rgb(209 213 219)
RGB (legacy): rgb(209, 213, 219)
HSL: hsl(216.00 12.20% 83.92%) → hsl(216 12% 84%)
HWB: hwb(216 82% 14%)
OKLCH: oklch(0.872 0.009 258.3) · oklch(87.2% 0.009 258.3)
OKLab: oklab(0.872 -0.002 -0.009)
Lab (D50): lab(85.09 -0.57 -3.47)
LCH (D50): lch(85.09 3.52 260.61)
Display P3: color(display-p3 0.8224 0.8348 0.8565)
Linear sRGB: color(srgb-linear 0.6376 0.6654 0.7084)

Gamut: sRGB and Display P3

#D1D5DB is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.063 and Display P3 reaches 0.069; this color uses 15% of the sRGB chroma available.

CSS snippets

.element {
  color: #d1d5db;
  color: rgb(209 213 219);
  color: hsl(216 12% 84%);
  color: oklch(0.872 0.009 258.3);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.872 0.009 258.3);
}
/* arbitrary values */
class="text-[#d1d5db] bg-[oklch(0.872_0.009_258.3)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.8224 0.8348 0.8565); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #d1d5db 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

#E5E9EF · oklch(0.932 0.009 258.3) · ΔL +0.06
#BEC2C8 · oklch(0.812 0.009 258.3) · 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?