#331F21#331F21

#331F21 is a dark, muted red. Relative luminance 0.018; OKLCH L 26.6% C 0.031 H 12.9°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#331F21
RGB	rgb(51, 31, 33)
HSL	hsl(354, 24%, 16%)
HSV	hsv(354, 39%, 20%)
CMYK	cmyk(0%, 39.2%, 35.3%, 80%)
CIE-LAB	lab(14.37, 10.08, 2.64)
CIE-LCH	lch(14.37, 10.42, 14.66°)
OKLab	oklab(26.56% 0.0306 0.007)
OKLCH	oklch(26.56% 0.031 12.9)
XYZ	xyz(2.1298, 1.7937, 1.6726)
Luminance	0.0179 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F21 #1F3331

analogous

#331F2B #331F21 #33271F

triadic

#331F21 #21331F #1F2133

tetradic

#331F21 #2B331F #1F3331 #271F33

square

#331F21 #2B331F #1F3331 #271F33

split-complementary

#331F21 #1F3327 #1F2B33

monochromatic

#130C0C #130C0C #331F21 #59363A #7F4D52

Accessibility & contrast

On white

15.45

#331F21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#331F21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F21

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F21	#FFFFFF	#000000	##FFFFFF
##331F21	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222221

Deuteranopia (green-blind)

#272621

Tritanopia (blue-blind)

#371D20

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #331f21;
/* rgb */ color: rgb(51, 31, 33);
/* oklch */ color: oklch(26.6% 0.031 12.9);

Tailwind

colors: {
  custom: {
    50: '#6b5a5c',
    500: '#331f21',
    950: '#000000',
  },
}

SCSS

$custom: #331f21;
$custom-light: #6b5a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#331f21",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 33
  },
  "hsl": {
    "h": 354,
    "s": 24.39,
    "l": 16.078
  },
  "oklch": {
    "l": 0.26563,
    "c": 0.03138,
    "h": 12.9
  },
  "luminance": 0.01794
}

Semantic roles & 50–950 ramp

primary

#331F21

secondary

#486663

accent

#C1B867

background

#F6F5F5

surface

#EBE9E9

border

#C6C5C5

text

#070404

muted

#7A7979

Preview Lab

Preview with #331F21

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

Preview Lab → · Contrast checker → · Palette generator →