#37130D#37130D

#37130D is a very dark, muted red. Relative luminance 0.013; OKLCH L 24.2% C 0.059 H 31.4°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#37130D
RGB	rgb(55, 19, 13)
HSL	hsl(9, 62%, 13%)
HSV	hsv(9, 76%, 22%)
CMYK	cmyk(0%, 65.5%, 76.4%, 78.4%)
CIE-LAB	lab(11.33, 17.46, 11.89)
CIE-LCH	lch(11.33, 21.13, 34.25°)
OKLab	oklab(24.22% 0.0506 0.0309)
OKLCH	oklch(24.22% 0.059 31.4)
XYZ	xyz(1.8812, 1.3073, 0.5340)
Luminance	0.0131 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37130D #0D3137

analogous

#370D1C #37130D #37280D

triadic

#37130D #0D3713 #130D37

tetradic

#37130D #1C370D #0D3137 #280D37

square

#37130D #1C370D #0D3137 #280D37

split-complementary

#37130D #0D3728 #0D1C37

monochromatic

#190906 #190906 #37130D #682419 #9A3524

Accessibility & contrast

On white

16.65

#37130D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#37130D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37130D

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37130D	#FFFFFF	#000000	##FFFFFF
##37130D	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C190C

Deuteranopia (green-blind)

#25210C

Tritanopia (blue-blind)

#3D0C12

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #37130d;
/* rgb */ color: rgb(55, 19, 13);
/* oklch */ color: oklch(24.2% 0.059 31.4);

Tailwind

colors: {
  custom: {
    50: '#71524c',
    500: '#37130d',
    950: '#000000',
  },
}

SCSS

$custom: #37130d;
$custom-light: #71524c;
$custom-dark: #000000;

JSON

{
  "hex": "#37130d",
  "rgb": {
    "r": 55,
    "g": 19,
    "b": 13
  },
  "hsl": {
    "h": 8.571,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24221,
    "c": 0.05927,
    "h": 31.4
  },
  "luminance": 0.01307
}

Semantic roles & 50–950 ramp

primary

#37130D

secondary

#2D6972

accent

#CEE543

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #37130D

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

Preview Lab → · Contrast checker → · Palette generator →