RGB 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. base 10 → base 16

   R = 249 = 15×16 + 9 → F9
   G = 250 = 15×16 + 10 → FA
   B = 251 = 15×16 + 11 → FB

2. 2. pairs → HEX

   F9 FA FB → #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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