#37080B#37080B

#37080B is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.5% C 0.074 H 22.0°. Best body text is #FFFFFF at 17.47:1 contrast (WCAG AA passes).

Color values

HEX	#37080B
RGB	rgb(55, 8, 11)
HSL	hsl(356, 75%, 12%)
HSV	hsv(356, 85%, 22%)
CMYK	cmyk(0%, 85.5%, 80%, 78.4%)
CIE-LAB	lab(9.08, 23.26, 9.63)
CIE-LCH	lch(9.08, 25.17, 22.50°)
OKLab	oklab(22.52% 0.0683 0.0277)
OKLCH	oklch(22.52% 0.074 22)
XYZ	xyz(1.7230, 1.0103, 0.4208)
Luminance	0.0101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37080B #083734

analogous

#370823 #37080B #371C08

triadic

#37080B #0B3708 #080B37

tetradic

#37080B #233708 #083734 #1C0837

square

#37080B #233708 #083734 #1C0837

split-complementary

#37080B #08371C #082337

monochromatic

#1B0405 #1B0405 #37080B #6C1016 #A21820

Accessibility & contrast

On white

17.47

#37080B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#37080B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37080B

17.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37080B	#FFFFFF	#000000	##FFFFFF
##37080B	1.00	17.47	1.20	17.47
#FFFFFF	17.47	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15130B

Deuteranopia (green-blind)

#211D0A

Tritanopia (blue-blind)

#3D0009

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #37080b;
/* rgb */ color: rgb(55, 8, 11);
/* oklch */ color: oklch(22.5% 0.074 22.0);

Tailwind

colors: {
  custom: {
    50: '#724c4b',
    500: '#37080b',
    950: '#000000',
  },
}

SCSS

$custom: #37080b;
$custom-light: #724c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#37080b",
  "rgb": {
    "r": 55,
    "g": 8,
    "b": 11
  },
  "hsl": {
    "h": 356.17,
    "s": 74.603,
    "l": 12.353
  },
  "oklch": {
    "l": 0.2252,
    "c": 0.07372,
    "h": 22
  },
  "luminance": 0.0101
}

Semantic roles & 50–950 ramp

primary

#37080B

secondary

#257671

accent

#F1E537

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #37080B

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

Preview Lab → · Contrast checker → · Palette generator →