#37201A#37201A

#37201A is a dark, muted red. Relative luminance 0.019; OKLCH L 27.2% C 0.038 H 35.3°. Best body text is #FFFFFF at 15.17:1 contrast (WCAG AA passes).

Color values

HEX	#37201A
RGB	rgb(55, 32, 26)
HSL	hsl(12, 36%, 16%)
HSV	hsv(12, 53%, 22%)
CMYK	cmyk(0%, 41.8%, 52.7%, 78.4%)
CIE-LAB	lab(15.06, 10.29, 8.71)
CIE-LCH	lch(15.06, 13.48, 40.25°)
OKLab	oklab(27.17% 0.0308 0.0218)
OKLCH	oklch(27.17% 0.038 35.3)
XYZ	xyz(2.2786, 1.9200, 1.2277)
Luminance	0.0192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37201A #1A3137

analogous

#371A22 #37201A #372E1A

triadic

#37201A #1A3720 #201A37

tetradic

#37201A #22371A #1A3137 #2E1A37

square

#37201A #22371A #1A3137 #2E1A37

split-complementary

#37201A #1A372E #1A2237

monochromatic

#150C0A #150C0A #37201A #61382E #8A5041

Accessibility & contrast

On white

15.17

#37201A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#37201A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37201A

15.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37201A	#FFFFFF	#000000	##FFFFFF
##37201A	1.00	15.17	1.38	15.17
#FFFFFF	15.17	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25231A

Deuteranopia (green-blind)

#2B281A

Tritanopia (blue-blind)

#3C1D1E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #37201a;
/* rgb */ color: rgb(55, 32, 26);
/* oklch */ color: oklch(27.2% 0.038 35.3);

Tailwind

colors: {
  custom: {
    50: '#6f5b56',
    500: '#37201a',
    950: '#000000',
  },
}

SCSS

$custom: #37201a;
$custom-light: #6f5b56;
$custom-dark: #000000;

JSON

{
  "hex": "#37201a",
  "rgb": {
    "r": 55,
    "g": 32,
    "b": 26
  },
  "hsl": {
    "h": 12.414,
    "s": 35.802,
    "l": 15.882
  },
  "oklch": {
    "l": 0.27165,
    "c": 0.03772,
    "h": 35.3
  },
  "luminance": 0.0192
}

Semantic roles & 50–950 ramp

primary

#37201A

secondary

#41636C

accent

#B5CC5C

background

#F6F5F5

surface

#ECE9E9

border

#C7C5C5

text

#070403

muted

#7A7978

Preview Lab

Preview with #37201A

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

Preview Lab → · Contrast checker → · Palette generator →