#331C21#331C21

#331C21 is a dark, muted red. Relative luminance 0.016; OKLCH L 25.9% C 0.037 H 5.9°. Best body text is #FFFFFF at 15.80:1 contrast (WCAG AA passes).

Color values

HEX	#331C21
RGB	rgb(51, 28, 33)
HSL	hsl(347, 29%, 15%)
HSV	hsv(347, 45%, 20%)
CMYK	cmyk(0%, 45.1%, 35.3%, 80%)
CIE-LAB	lab(13.50, 12.15, 1.39)
CIE-LCH	lch(13.50, 12.23, 6.52°)
OKLab	oklab(25.9% 0.0368 0.0038)
OKLCH	oklch(25.9% 0.037 5.9)
XYZ	xyz(2.0551, 1.6443, 1.6477)
Luminance	0.0164 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C21 #1C332E

analogous

#331C2C #331C21 #33221C

triadic

#331C21 #21331C #1C2133

tetradic

#331C21 #2C331C #1C332E #221C33

square

#331C21 #2C331C #1C332E #221C33

split-complementary

#331C21 #1C3322 #1C2C33

monochromatic

#140B0D #140B0D #331C21 #5B323B #824754

Accessibility & contrast

On white

15.80

#331C21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#331C21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C21

15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C21	#FFFFFF	#000000	##FFFFFF
##331C21	1.00	15.80	1.33	15.80
#FFFFFF	15.80	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#202021

Deuteranopia (green-blind)

#252421

Tritanopia (blue-blind)

#371A1E

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #331c21;
/* rgb */ color: rgb(51, 28, 33);
/* oklch */ color: oklch(25.9% 0.037 5.9);

Tailwind

colors: {
  custom: {
    50: '#6b585c',
    500: '#331c21',
    950: '#000000',
  },
}

SCSS

$custom: #331c21;
$custom-light: #6b585c;
$custom-dark: #000000;

JSON

{
  "hex": "#331c21",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 33
  },
  "hsl": {
    "h": 346.957,
    "s": 29.114,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25898,
    "c": 0.03699,
    "h": 5.9
  },
  "luminance": 0.01644
}

Semantic roles & 50–950 ramp

primary

#331C21

secondary

#44675F

accent

#C5B062

background

#F6F5F5

surface

#EBE9E9

border

#C6C5C5

text

#070304

muted

#7A7879

Preview Lab

Preview with #331C21

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

Preview Lab → · Contrast checker → · Palette generator →