#331D21#331D21

#331D21 is a dark, muted red. Relative luminance 0.017; OKLCH L 26.1% C 0.035 H 7.9°. Best body text is #FFFFFF at 15.69:1 contrast (WCAG AA passes).

Color values

HEX	#331D21
RGB	rgb(51, 29, 33)
HSL	hsl(349, 28%, 16%)
HSV	hsv(349, 43%, 20%)
CMYK	cmyk(0%, 43.1%, 35.3%, 80%)
CIE-LAB	lab(13.78, 11.46, 1.80)
CIE-LCH	lch(13.78, 11.60, 8.93°)
OKLab	oklab(26.12% 0.0347 0.0048)
OKLCH	oklch(26.12% 0.035 7.9)
XYZ	xyz(2.0792, 1.6925, 1.6557)
Luminance	0.0169 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D21 #1D332F

analogous

#331D2C #331D21 #33241D

triadic

#331D21 #21331D #1D2133

tetradic

#331D21 #2C331D #1D332F #241D33

square

#331D21 #2C331D #1D332F #241D33

split-complementary

#331D21 #1D3324 #1D2C33

monochromatic

#140B0D #140B0D #331D21 #5A333A #814953

Accessibility & contrast

On white

15.69

#331D21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#331D21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D21

15.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D21	#FFFFFF	#000000	##FFFFFF
##331D21	1.00	15.69	1.34	15.69
#FFFFFF	15.69	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#212121

Deuteranopia (green-blind)

#262521

Tritanopia (blue-blind)

#371B1E

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #331d21;
/* rgb */ color: rgb(51, 29, 33);
/* oklch */ color: oklch(26.1% 0.035 7.9);

Tailwind

colors: {
  custom: {
    50: '#6b595c',
    500: '#331d21',
    950: '#000000',
  },
}

SCSS

$custom: #331d21;
$custom-light: #6b595c;
$custom-dark: #000000;

JSON

{
  "hex": "#331d21",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 33
  },
  "hsl": {
    "h": 349.091,
    "s": 27.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.26116,
    "c": 0.03507,
    "h": 7.9
  },
  "luminance": 0.01692
}

Semantic roles & 50–950 ramp

primary

#331D21

secondary

#456660

accent

#C4B264

background

#F6F5F5

surface

#EBE9E9

border

#C6C5C5

text

#070304

muted

#7A7879

Preview Lab

Preview with #331D21

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

Preview Lab → · Contrast checker → · Palette generator →