#331B0B#331B0B

#331B0B is a dark, muted orange. Relative luminance 0.015; OKLCH L 25.1% C 0.046 H 52.7°. Best body text is #FFFFFF at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#331B0B
RGB	rgb(51, 27, 11)
HSL	hsl(24, 65%, 12%)
HSV	hsv(24, 78%, 20%)
CMYK	cmyk(0%, 47.1%, 78.4%, 80%)
CIE-LAB	lab(12.68, 10.07, 14.54)
CIE-LCH	lch(12.68, 17.68, 55.28°)
OKLab	oklab(25.1% 0.028 0.0368)
OKLCH	oklch(25.1% 0.046 52.7)
XYZ	xyz(1.8177, 1.5120, 0.5127)
Luminance	0.0151 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B0B #0B2333

analogous

#330B0F #331B0B #332F0B

triadic

#331B0B #0B331B #1B0B33

tetradic

#331B0B #0F330B #0B2333 #2F0B33

square

#331B0B #0F330B #0B2333 #2F0B33

split-complementary

#331B0B #0B332F #0B0F33

monochromatic

#190D05 #190D05 #331B0B #653616 #985021

Accessibility & contrast

On white

16.12

#331B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#331B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B0B

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B0B	#FFFFFF	#000000	##FFFFFF
##331B0B	1.00	16.12	1.30	16.12
#FFFFFF	16.12	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221E09

Deuteranopia (green-blind)

#28230B

Tritanopia (blue-blind)

#381617

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #331b0b;
/* rgb */ color: rgb(51, 27, 11);
/* oklch */ color: oklch(25.1% 0.046 52.7);

Tailwind

colors: {
  custom: {
    50: '#6d574b',
    500: '#331b0b',
    950: '#000000',
  },
}

SCSS

$custom: #331b0b;
$custom-light: #6d574b;
$custom-dark: #000000;

JSON

{
  "hex": "#331b0b",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 11
  },
  "hsl": {
    "h": 24,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.25102,
    "c": 0.04625,
    "h": 52.7
  },
  "luminance": 0.01512
}

Semantic roles & 50–950 ramp

primary

#331B0B

secondary

#2A5470

accent

#A5E840

background

#F6F5F4

surface

#ECE9E7

border

#C7C5C3

text

#070301

muted

#7A7877

Preview Lab

Preview with #331B0B

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

Preview Lab → · Contrast checker → · Palette generator →