#37201D#37201D

#37201D is a dark, muted red. Relative luminance 0.019; OKLCH L 27.2% C 0.036 H 27.8°. Best body text is #FFFFFF at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#37201D
RGB	rgb(55, 32, 29)
HSL	hsl(7, 31%, 16%)
HSV	hsv(7, 47%, 22%)
CMYK	cmyk(0%, 41.8%, 47.3%, 78.4%)
CIE-LAB	lab(15.14, 10.70, 6.68)
CIE-LCH	lch(15.14, 12.61, 31.98°)
OKLab	oklab(27.25% 0.0323 0.017)
OKLCH	oklch(27.25% 0.037 27.8)
XYZ	xyz(2.3139, 1.9341, 1.4136)
Luminance	0.0193 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37201D #1D3437

analogous

#371D27 #37201D #372D1D

triadic

#37201D #1D3720 #201D37

tetradic

#37201D #27371D #1D3437 #2D1D37

square

#37201D #27371D #1D3437 #2D1D37

split-complementary

#37201D #1D372D #1D2737

monochromatic

#140C0B #140C0B #37201D #5F3732 #874F47

Accessibility & contrast

On white

15.14

#37201D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#37201D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37201D

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37201D	#FFFFFF	#000000	##FFFFFF
##37201D	1.00	15.14	1.39	15.14
#FFFFFF	15.14	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25231D

Deuteranopia (green-blind)

#2B281D

Tritanopia (blue-blind)

#3C1D1F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #37201d;
/* rgb */ color: rgb(55, 32, 29);
/* oklch */ color: oklch(27.2% 0.036 27.8);

Tailwind

colors: {
  custom: {
    50: '#6f5b58',
    500: '#37201d',
    950: '#000000',
  },
}

SCSS

$custom: #37201d;
$custom-light: #6f5b58;
$custom-dark: #000000;

JSON

{
  "hex": "#37201d",
  "rgb": {
    "r": 55,
    "g": 32,
    "b": 29
  },
  "hsl": {
    "h": 6.923,
    "s": 30.952,
    "l": 16.471
  },
  "oklch": {
    "l": 0.27249,
    "c": 0.0365,
    "h": 27.8
  },
  "luminance": 0.01934
}

Semantic roles & 50–950 ramp

primary

#37201D

secondary

#45676B

accent

#BBC761

background

#F6F5F5

surface

#ECE9E9

border

#C7C5C5

text

#070403

muted

#7A7978

Preview Lab

Preview with #37201D

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

Preview Lab → · Contrast checker → · Palette generator →