#331D1F#331D1F

#331D1F is a dark, muted red. Relative luminance 0.017; OKLCH L 26.0% C 0.035 H 13.8°. Best body text is #FFFFFF at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#331D1F
RGB	rgb(51, 29, 31)
HSL	hsl(355, 28%, 16%)
HSV	hsv(355, 43%, 20%)
CMYK	cmyk(0%, 43.1%, 39.2%, 80%)
CIE-LAB	lab(13.72, 11.13, 3.16)
CIE-LCH	lch(13.72, 11.57, 15.86°)
OKLab	oklab(26.05% 0.0338 0.0083)
OKLCH	oklch(26.05% 0.035 13.8)
XYZ	xyz(2.0520, 1.6816, 1.5126)
Luminance	0.0168 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D1F #1D3331

analogous

#331D2A #331D1F #33261D

triadic

#331D1F #1F331D #1D1F33

tetradic

#331D1F #2A331D #1D3331 #261D33

square

#331D1F #2A331D #1D3331 #261D33

split-complementary

#331D1F #1D3326 #1D2A33

monochromatic

#140B0C #140B0C #331D1F #5A3337 #81494E

Accessibility & contrast

On white

15.72

#331D1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#331D1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D1F

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D1F	#FFFFFF	#000000	##FFFFFF
##331D1F	1.00	15.72	1.34	15.72
#FFFFFF	15.72	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21201F

Deuteranopia (green-blind)

#26251F

Tritanopia (blue-blind)

#371B1E

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #331d1f;
/* rgb */ color: rgb(51, 29, 31);
/* oklch */ color: oklch(26.0% 0.035 13.8);

Tailwind

colors: {
  custom: {
    50: '#6b595a',
    500: '#331d1f',
    950: '#000000',
  },
}

SCSS

$custom: #331d1f;
$custom-light: #6b595a;
$custom-dark: #000000;

JSON

{
  "hex": "#331d1f",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 31
  },
  "hsl": {
    "h": 354.545,
    "s": 27.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.26046,
    "c": 0.03476,
    "h": 13.8
  },
  "luminance": 0.01681
}

Semantic roles & 50–950 ramp

primary

#331D1F

secondary

#456663

accent

#C4BB64

background

#F6F5F5

surface

#EBE9E9

border

#C6C5C5

text

#070303

muted

#7A7878

Preview Lab

Preview with #331D1F

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

Preview Lab → · Contrast checker → · Palette generator →