#331F0B#331F0B

#331F0B is a dark, muted orange. Relative luminance 0.017; OKLCH L 26.0% C 0.044 H 63.6°. Best body text is #FFFFFF at 15.65:1 contrast (WCAG AA passes).

Color values

HEX	#331F0B
RGB	rgb(51, 31, 11)
HSL	hsl(30, 65%, 12%)
HSV	hsv(30, 78%, 20%)
CMYK	cmyk(0%, 39.2%, 78.4%, 80%)
CIE-LAB	lab(13.87, 7.31, 16.12)
CIE-LCH	lch(13.87, 17.70, 65.62°)
OKLab	oklab(26.02% 0.0197 0.0397)
OKLCH	oklch(26.02% 0.044 63.6)
XYZ	xyz(1.9158, 1.7081, 0.5453)
Luminance	0.0171 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F0B #0B1F33

analogous

#330B0B #331F0B #33330B

triadic

#331F0B #0B331F #1F0B33

tetradic

#331F0B #0B330B #0B1F33 #330B33

square

#331F0B #0B330B #0B1F33 #330B33

split-complementary

#331F0B #0B3333 #0B0B33

monochromatic

#190F05 #190F05 #331F0B #653E16 #985C21

Accessibility & contrast

On white

15.65

#331F0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#331F0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F0B

15.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F0B	#FFFFFF	#000000	##FFFFFF
##331F0B	1.00	15.65	1.34	15.65
#FFFFFF	15.65	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252109

Deuteranopia (green-blind)

#2A250B

Tritanopia (blue-blind)

#381B1B

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #331f0b;
/* rgb */ color: rgb(51, 31, 11);
/* oklch */ color: oklch(26.0% 0.044 63.6);

Tailwind

colors: {
  custom: {
    50: '#6d5a4b',
    500: '#331f0b',
    950: '#000000',
  },
}

SCSS

$custom: #331f0b;
$custom-light: #6d5a4b;
$custom-dark: #000000;

JSON

{
  "hex": "#331f0b",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 11
  },
  "hsl": {
    "h": 30,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.26023,
    "c": 0.04435,
    "h": 63.6
  },
  "luminance": 0.01708
}

Semantic roles & 50–950 ramp

primary

#331F0B

secondary

#2A4D70

accent

#94E840

background

#F6F5F4

surface

#ECE9E7

border

#C7C5C3

text

#070301

muted

#7A7877

Preview Lab

Preview with #331F0B

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

Preview Lab → · Contrast checker → · Palette generator →