HSL to HEX: #F9FAFB

Result

Values are shown at full precision, so converting back gives exactly #f9fafb. 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. input

   H = 210.00°, S = 20.00%, L = 98.04%

2. 2. C

   C = (1 − |2L − 1|) × S = 0.00784

3. 3. X

   X = C × (1 − |(H / 60°) mod 2 − 1|) = 0.00392   (H / 60° = 3.5000, sector 3)

4. 4. m

   m = L − C / 2 = 0.97648

5. 5. (R′, G′, B′) + m

   (R′, G′, B′) = (0.00000, 0.00392, 0.00784)
   R = round((0.00000 + 0.97648) × 255) = 249
   G = round((0.00392 + 0.97648) × 255) = 250
   B = round((0.00784 + 0.97648) × 255) = 251

6. 6. RGB → HEX

   #F9FAFB

All formats

HEX

#f9fafb

RGB

rgb(249 250 251)

RGB (legacy)

rgb(249, 250, 251)

HSL

hsl(210.00 20.00% 98.04%) → hsl(210 20% 98%)

HWB

hwb(210 98% 2%)

OKLCH

oklch(0.985 0.002 247.8) · oklch(98.5% 0.002 247.8)

OKLab

oklab(0.985 -0.001 -0.002)

Lab (D50)

lab(98.22 -0.21 -0.60)

LCH (D50)

lch(98.22 0.64 250.72)

Display P3

color(display-p3 0.9772 0.9803 0.9839)

Linear sRGB

color(srgb-linear 0.9473 0.9560 0.9647)

Gamut: sRGB and Display P3

#F9FAFB is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.008 and Display P3 reaches 0.008; this color uses 22% of the sRGB chroma available.

CSS snippets

.element {
  color: #f9fafb;
  color: rgb(249 250 251);
  color: hsl(210 20% 98%);
  color: oklch(0.985 0.002 247.8);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.985 0.002 247.8);
}
/* arbitrary values */
class="text-[#f9fafb] bg-[oklch(0.985_0.002_247.8)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.9772 0.9803 0.9839); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #f9fafb calc(l - 0.1) c h); }

Nearby colors

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

• slate-50#F8FAFC
• mauve-50#FAFAFA
• mist-50#F9FBFB
• stone-50#FAFAF9
• taupe-50#FBFAF9
• olive-50#FBFBF9
• snow#FFFAFA
• ghostwhite#F8F8FF

Lighter and darker, same hue and chroma

• #FEFFFF · oklch(1.000 0.002 247.8) · ΔL +0.06
• #E5E6E7 · oklch(0.925 0.002 247.8) · ΔL −0.06

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