#331B16#331B16

#331B16 is a dark, muted red. Relative luminance 0.015; OKLCH L 25.3% C 0.040 H 32.6°. Best body text is #FFFFFF at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#331B16
RGB	rgb(51, 27, 22)
HSL	hsl(10, 40%, 14%)
HSV	hsv(10, 57%, 20%)
CMYK	cmyk(0%, 47.1%, 56.9%, 80%)
CIE-LAB	lab(12.90, 11.20, 8.55)
CIE-LCH	lch(12.90, 14.08, 37.35°)
OKLab	oklab(25.33% 0.0334 0.0213)
OKLCH	oklch(25.33% 0.04 32.6)
XYZ	xyz(1.9021, 1.5458, 0.9571)
Luminance	0.0155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B16 #162E33

analogous

#331620 #331B16 #332A16

triadic

#331B16 #16331B #1B1633

tetradic

#331B16 #203316 #162E33 #2A1633

square

#331B16 #203316 #162E33 #2A1633

split-complementary

#331B16 #16332A #162033

monochromatic

#150B09 #150B09 #331B16 #5E3228 #89483B

Accessibility & contrast

On white

16.04

#331B16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#331B16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B16

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B16	#FFFFFF	#000000	##FFFFFF
##331B16	1.00	16.04	1.31	16.04
#FFFFFF	16.04	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211E16

Deuteranopia (green-blind)

#262316

Tritanopia (blue-blind)

#38171A

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #331b16;
/* rgb */ color: rgb(51, 27, 22);
/* oklch */ color: oklch(25.3% 0.040 32.6);

Tailwind

colors: {
  custom: {
    50: '#6c5753',
    500: '#331b16',
    950: '#000000',
  },
}

SCSS

$custom: #331b16;
$custom-light: #6c5753;
$custom-dark: #000000;

JSON

{
  "hex": "#331b16",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 22
  },
  "hsl": {
    "h": 10.345,
    "s": 39.726,
    "l": 14.314
  },
  "oklch": {
    "l": 0.25334,
    "c": 0.03958,
    "h": 32.6
  },
  "luminance": 0.01546
}

Semantic roles & 50–950 ramp

primary

#331B16

secondary

#3B6169

accent

#BBD058

background

#F6F5F4

surface

#EBE9E7

border

#C6C5C3

text

#070302

muted

#7A7878

Preview Lab

Preview with #331B16

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

Preview Lab → · Contrast checker → · Palette generator →