#331D1D#331D1D

#331D1D is a dark, muted red. Relative luminance 0.017; OKLCH L 26.0% C 0.035 H 19.7°. Best body text is #FFFFFF at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#331D1D
RGB	rgb(51, 29, 29)
HSL	hsl(0, 28%, 16%)
HSV	hsv(0, 43%, 20%)
CMYK	cmyk(0%, 43.1%, 43.1%, 80%)
CIE-LAB	lab(13.66, 10.81, 4.53)
CIE-LCH	lch(13.66, 11.72, 22.73°)
OKLab	oklab(25.98% 0.0328 0.0117)
OKLCH	oklch(25.98% 0.035 19.7)
XYZ	xyz(2.0265, 1.6714, 1.3780)
Luminance	0.0167 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D1D #1D3333

analogous

#331D28 #331D1D #33281D

triadic

#331D1D #1D331D #1D1D33

tetradic

#331D1D #28331D #1D3333 #281D33

square

#331D1D #28331D #1D3333 #281D33

split-complementary

#331D1D #1D3328 #1D2833

monochromatic

#140B0B #140B0B #331D1D #5A3333 #814949

Accessibility & contrast

On white

15.74

#331D1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#331D1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D1D

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D1D	#FFFFFF	#000000	##FFFFFF
##331D1D	1.00	15.74	1.33	15.74
#FFFFFF	15.74	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21201D

Deuteranopia (green-blind)

#27251D

Tritanopia (blue-blind)

#371B1D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #331d1d;
/* rgb */ color: rgb(51, 29, 29);
/* oklch */ color: oklch(26.0% 0.035 19.7);

Tailwind

colors: {
  custom: {
    50: '#6c5958',
    500: '#331d1d',
    950: '#000000',
  },
}

SCSS

$custom: #331d1d;
$custom-light: #6c5958;
$custom-dark: #000000;

JSON

{
  "hex": "#331d1d",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 29
  },
  "hsl": {
    "h": 0,
    "s": 27.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.2598,
    "c": 0.03479,
    "h": 19.7
  },
  "luminance": 0.01671
}

Semantic roles & 50–950 ramp

primary

#331D1D

secondary

#456666

accent

#C4C464

background

#F6F5F5

surface

#EBE9E9

border

#C6C5C5

text

#070303

muted

#7A7878

Preview Lab

Preview with #331D1D

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

Preview Lab → · Contrast checker → · Palette generator →