#331C1F#331C1F

#331C1F is a dark, muted red. Relative luminance 0.016; OKLCH L 25.8% C 0.037 H 11.5°. Best body text is #FFFFFF at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#331C1F
RGB	rgb(51, 28, 31)
HSL	hsl(352, 29%, 15%)
HSV	hsv(352, 45%, 20%)
CMYK	cmyk(0%, 45.1%, 39.2%, 80%)
CIE-LAB	lab(13.43, 11.81, 2.75)
CIE-LCH	lch(13.43, 12.13, 13.11°)
OKLab	oklab(25.83% 0.0358 0.0073)
OKLCH	oklch(25.83% 0.037 11.5)
XYZ	xyz(2.0279, 1.6334, 1.5045)
Luminance	0.0163 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C1F #1C3330

analogous

#331C2A #331C1F #33241C

triadic

#331C1F #1F331C #1C1F33

tetradic

#331C1F #2A331C #1C3330 #241C33

square

#331C1F #2A331C #1C3330 #241C33

split-complementary

#331C1F #1C3324 #1C2A33

monochromatic

#140B0C #140B0C #331C1F #5B3237 #82474F

Accessibility & contrast

On white

15.83

#331C1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#331C1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C1F

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C1F	#FFFFFF	#000000	##FFFFFF
##331C1F	1.00	15.83	1.33	15.83
#FFFFFF	15.83	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20201F

Deuteranopia (green-blind)

#26241F

Tritanopia (blue-blind)

#371A1D

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #331c1f;
/* rgb */ color: rgb(51, 28, 31);
/* oklch */ color: oklch(25.8% 0.037 11.5);

Tailwind

colors: {
  custom: {
    50: '#6c585a',
    500: '#331c1f',
    950: '#000000',
  },
}

SCSS

$custom: #331c1f;
$custom-light: #6c585a;
$custom-dark: #000000;

JSON

{
  "hex": "#331c1f",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 31
  },
  "hsl": {
    "h": 352.174,
    "s": 29.114,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25827,
    "c": 0.03656,
    "h": 11.5
  },
  "luminance": 0.01633
}

Semantic roles & 50–950 ramp

primary

#331C1F

secondary

#446762

accent

#C5B862

background

#F6F5F5

surface

#EBE9E9

border

#C6C5C5

text

#070303

muted

#7A7878

Preview Lab

Preview with #331C1F

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

Preview Lab → · Contrast checker → · Palette generator →