#331B0A#331B0A

#331B0A is a dark, muted orange. Relative luminance 0.015; OKLCH L 25.1% C 0.047 H 54.0°. Best body text is #FFFFFF at 16.13:1 contrast (WCAG AA passes).

Color values

HEX#331B0A
RGBrgb(51, 27, 10)
HSLhsl(25, 67%, 12%)
HSVhsv(25, 80%, 20%)
CMYKcmyk(0%, 47.1%, 80.4%, 80%)
CIE-LABlab(12.67, 9.99, 14.94)
CIE-LCHlch(12.67, 17.97, 56.21°)
OKLaboklab(25.09% 0.0276 0.038)
OKLCHoklch(25.09% 0.047 54)
XYZxyz(1.8121, 1.5098, 0.4831)
Luminance0.0151 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#331B0A #0A2233
analogous
#330A0E #331B0A #33300A
triadic
#331B0A #0A331B #1B0A33
tetradic
#331B0A #0E330A #0A2233 #300A33
square
#331B0A #0E330A #0A2233 #300A33
split-complementary
#331B0A #0A3330 #0A0E33
monochromatic
#1A0E05 #1A0E05 #331B0A #663614 #99511E

Accessibility & contrast

On white

16.13
#331B0A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.30
#331B0A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B0A
16.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##331B0A#FFFFFF#000000##FFFFFF
##331B0A1.0016.131.3016.13
#FFFFFF16.131.0021.001.00
#0000001.3021.001.0021.00
##FFFFFF16.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#221E08
Deuteranopia (green-blind)
#28230A
Tritanopia (blue-blind)
#381617
Achromatopsia (no color)
#212121

Design tokens & code

CSS
--color: #331b0a;
/* rgb */ color: rgb(51, 27, 10);
/* oklch */ color: oklch(25.1% 0.047 54.0);
Tailwind
colors: {
  custom: {
    50: '#6d574b',
    500: '#331b0a',
    950: '#000000',
  },
}
SCSS
$custom: #331b0a;
$custom-light: #6d574b;
$custom-dark: #000000;
JSON
{
  "hex": "#331b0a",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 10
  },
  "hsl": {
    "h": 24.878,
    "s": 67.213,
    "l": 11.961
  },
  "oklch": {
    "l": 0.25086,
    "c": 0.04693,
    "h": 54
  },
  "luminance": 0.0151
}

Semantic roles & 50–950 ramp

primary
#331B0A
secondary
#285370
accent
#A3EA3E
background
#F6F5F4
surface
#ECE9E7
border
#C7C5C3
text
#070301
muted
#7A7877

Preview Lab

Preview with #331B0A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#331B0A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva