#331B1E#331B1E

#331B1E is a dark, muted red. Relative luminance 0.016; OKLCH L 25.6% C 0.038 H 12.0°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#331B1E
RGB	rgb(51, 27, 30)
HSL	hsl(353, 31%, 15%)
HSV	hsv(353, 47%, 20%)
CMYK	cmyk(0%, 47.1%, 41.2%, 80%)
CIE-LAB	lab(13.12, 12.34, 3.03)
CIE-LCH	lch(13.12, 12.71, 13.81°)
OKLab	oklab(25.58% 0.0374 0.008)
OKLCH	oklch(25.58% 0.038 12)
XYZ	xyz(1.9916, 1.5816, 1.4284)
Luminance	0.0158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B1E #1B3330

analogous

#331B2A #331B1E #33241B

triadic

#331B1E #1E331B #1B1E33

tetradic

#331B1E #2A331B #1B3330 #241B33

square

#331B1E #2A331B #1B3330 #241B33

split-complementary

#331B1E #1B3324 #1B2A33

monochromatic

#140B0C #140B0C #331B1E #5B3036 #83454D

Accessibility & contrast

On white

15.96

#331B1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#331B1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B1E

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B1E	#FFFFFF	#000000	##FFFFFF
##331B1E	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1F1E

Deuteranopia (green-blind)

#25241E

Tritanopia (blue-blind)

#37191C

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #331b1e;
/* rgb */ color: rgb(51, 27, 30);
/* oklch */ color: oklch(25.6% 0.038 12.0);

Tailwind

colors: {
  custom: {
    50: '#6c5759',
    500: '#331b1e',
    950: '#000000',
  },
}

SCSS

$custom: #331b1e;
$custom-light: #6c5759;
$custom-dark: #000000;

JSON

{
  "hex": "#331b1e",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 30
  },
  "hsl": {
    "h": 352.5,
    "s": 30.769,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25576,
    "c": 0.03825,
    "h": 12
  },
  "luminance": 0.01581
}

Semantic roles & 50–950 ramp

primary

#331B1E

secondary

#436763

accent

#C7BA61

background

#F6F5F5

surface

#EBE9E9

border

#C6C5C5

text

#070303

muted

#7A7878

Preview Lab

Preview with #331B1E

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

Preview Lab → · Contrast checker → · Palette generator →