#331B15#331B15

#331B15 is a dark, muted red. Relative luminance 0.015; OKLCH L 25.3% C 0.040 H 34.8°. Best body text is #FFFFFF at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#331B15
RGB	rgb(51, 27, 21)
HSL	hsl(12, 42%, 14%)
HSV	hsv(12, 59%, 20%)
CMYK	cmyk(0%, 47.1%, 58.8%, 80%)
CIE-LAB	lab(12.87, 11.07, 9.22)
CIE-LCH	lch(12.87, 14.41, 39.78°)
OKLab	oklab(25.31% 0.0329 0.0229)
OKLCH	oklch(25.31% 0.04 34.8)
XYZ	xyz(1.8926, 1.5420, 0.9073)
Luminance	0.0154 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B15 #152D33

analogous

#33151E #331B15 #332A15

triadic

#331B15 #15331B #1B1533

tetradic

#331B15 #1E3315 #152D33 #2A1533

square

#331B15 #1E3315 #152D33 #2A1533

split-complementary

#331B15 #15332A #151E33

monochromatic

#160B09 #160B09 #331B15 #5E3227 #8A4939

Accessibility & contrast

On white

16.05

#331B15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#331B15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B15

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B15	#FFFFFF	#000000	##FFFFFF
##331B15	1.00	16.05	1.31	16.05
#FFFFFF	16.05	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211E14

Deuteranopia (green-blind)

#272315

Tritanopia (blue-blind)

#381719

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #331b15;
/* rgb */ color: rgb(51, 27, 21);
/* oklch */ color: oklch(25.3% 0.040 34.8);

Tailwind

colors: {
  custom: {
    50: '#6c5752',
    500: '#331b15',
    950: '#000000',
  },
}

SCSS

$custom: #331b15;
$custom-light: #6c5752;
$custom-dark: #000000;

JSON

{
  "hex": "#331b15",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 21
  },
  "hsl": {
    "h": 12,
    "s": 41.667,
    "l": 14.118
  },
  "oklch": {
    "l": 0.25308,
    "c": 0.04003,
    "h": 34.8
  },
  "luminance": 0.01542
}

Semantic roles & 50–950 ramp

primary

#331B15

secondary

#3A606A

accent

#B9D156

background

#F6F5F4

surface

#EBE9E7

border

#C6C5C3

text

#070302

muted

#7A7878

Preview Lab

Preview with #331B15

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

Preview Lab → · Contrast checker → · Palette generator →