#331F1D#331F1D

#331F1D is a dark, muted red. Relative luminance 0.018; OKLCH L 26.4% C 0.032 H 25.7°. Best body text is #FFFFFF at 15.51:1 contrast (WCAG AA passes).

Color values

HEX	#331F1D
RGB	rgb(51, 31, 29)
HSL	hsl(5, 28%, 16%)
HSV	hsv(5, 43%, 20%)
CMYK	cmyk(0%, 39.2%, 43.1%, 80%)
CIE-LAB	lab(14.25, 9.42, 5.35)
CIE-LCH	lch(14.25, 10.83, 29.59°)
OKLab	oklab(26.43% 0.0286 0.0138)
OKLCH	oklch(26.43% 0.032 25.7)
XYZ	xyz(2.0771, 1.7726, 1.3949)
Luminance	0.0177 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F1D #1D3133

analogous

#331D26 #331F1D #332A1D

triadic

#331F1D #1D331F #1F1D33

tetradic

#331F1D #26331D #1D3133 #2A1D33

square

#331F1D #26331D #1D3133 #2A1D33

split-complementary

#331F1D #1D332A #1D2633

monochromatic

#140C0B #140C0B #331F1D #5A3733 #814E49

Accessibility & contrast

On white

15.51

#331F1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#331F1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F1D

15.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F1D	#FFFFFF	#000000	##FFFFFF
##331F1D	1.00	15.51	1.35	15.51
#FFFFFF	15.51	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23221D

Deuteranopia (green-blind)

#28261D

Tritanopia (blue-blind)

#371D1F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #331f1d;
/* rgb */ color: rgb(51, 31, 29);
/* oklch */ color: oklch(26.4% 0.032 25.7);

Tailwind

colors: {
  custom: {
    50: '#6b5a58',
    500: '#331f1d',
    950: '#000000',
  },
}

SCSS

$custom: #331f1d;
$custom-light: #6b5a58;
$custom-dark: #000000;

JSON

{
  "hex": "#331f1d",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 29
  },
  "hsl": {
    "h": 5.455,
    "s": 27.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.26432,
    "c": 0.03172,
    "h": 25.7
  },
  "luminance": 0.01772
}

Semantic roles & 50–950 ramp

primary

#331F1D

secondary

#456366

accent

#BBC464

background

#F6F5F5

surface

#EBE9E9

border

#C6C5C5

text

#070403

muted

#7A7978

Preview Lab

Preview with #331F1D

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

Preview Lab → · Contrast checker → · Palette generator →