HEX to HSL: #F8F8FF

Result

Values are shown at full precision, so converting back gives exactly #f8f8ff. 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. 1. RGB ÷ 255

   R = 0.9725
   G = 0.9725
   B = 1.0000

2. 2. max, min, Δ

   max = 1.0000
   min = 0.9725
   Δ = max − min = 0.0275

3. 3. L

   L = (max + min) / 2 = 0.9863 = 98.63%

4. 4. S

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

5. 5. H

   max is B → H = 60° × ((R − G) / Δ + 4) = 60° × ((0.9725 − 0.9725) / 0.0275 + 4) = 240.00°

6. 6. HSL

   hsl(240.00 100.00% 98.63%)

All formats

HEX

#f8f8ff

RGB

rgb(248 248 255)

RGB (legacy)

rgb(248, 248, 255)

HSL

hsl(240.00 100.00% 98.63%) → hsl(240 100% 99%)

HWB

hwb(240 97% 0%)

OKLCH

oklch(0.981 0.009 286.2) · oklch(98.1% 0.009 286.2)

OKLab

oklab(0.981 0.003 -0.009)

Lab (D50)

lab(97.73 0.93 -3.36)

LCH (D50)

lch(97.73 3.49 285.47)

Display P3

color(display-p3 0.9725 0.9725 0.9976)

Linear sRGB

color(srgb-linear 0.9387 0.9387 1.0000)

Gamut: sRGB and Display P3

#F8F8FF is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.009 and Display P3 reaches 0.010; this color uses 100% of the sRGB chroma available.

CSS snippets

.element {
  color: #f8f8ff;
  color: rgb(248 248 255);
  color: hsl(240 100% 99%);
  color: oklch(0.981 0.009 286.2);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.981 0.009 286.2);
}
/* arbitrary values */
class="text-[#f8f8ff] bg-[oklch(0.981_0.009_286.2)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.9725 0.9725 0.9976); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #f8f8ff calc(l - 0.1) c h); }

Nearby colors

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

• slate-50#F8FAFC
• purple-50#FAF5FF
• gray-50#F9FAFB
• mauve-50#FAFAFA
• aliceblue#F0F8FF
• sky-50#F0F9FF
• mist-50#F9FBFB
• stone-50#FAFAF9

Lighter and darker, same hue and chroma

• #FEFEFF · oklch(1.000 0.009 286.2) · ΔL +0.06
• #E4E4EB · oklch(0.921 0.009 286.2) · ΔL −0.06

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