#37130C#37130C

#37130C is a very dark, muted red. Relative luminance 0.013; OKLCH L 24.2% C 0.060 H 32.7°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#37130C
RGB	rgb(55, 19, 12)
HSL	hsl(10, 64%, 13%)
HSV	hsv(10, 78%, 22%)
CMYK	cmyk(0%, 65.5%, 78.2%, 78.4%)
CIE-LAB	lab(11.31, 17.39, 12.33)
CIE-LCH	lch(11.31, 21.32, 35.35°)
OKLab	oklab(24.2% 0.0501 0.0322)
OKLCH	oklch(24.2% 0.06 32.7)
XYZ	xyz(1.8750, 1.3048, 0.5009)
Luminance	0.0131 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37130C #0C3037

analogous

#370C1A #37130C #37280C

triadic

#37130C #0C3713 #130C37

tetradic

#37130C #1A370C #0C3037 #280C37

square

#37130C #1A370C #0C3037 #280C37

split-complementary

#37130C #0C3728 #0C1A37

monochromatic

#190905 #190905 #37130C #692417 #9B3622

Accessibility & contrast

On white

16.65

#37130C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#37130C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37130C

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37130C	#FFFFFF	#000000	##FFFFFF
##37130C	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)

#1C190B

Deuteranopia (green-blind)

#25210B

Tritanopia (blue-blind)

#3D0C11

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #37130c;
/* rgb */ color: rgb(55, 19, 12);
/* oklch */ color: oklch(24.2% 0.060 32.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#37130c",
  "rgb": {
    "r": 55,
    "g": 19,
    "b": 12
  },
  "hsl": {
    "h": 9.767,
    "s": 64.179,
    "l": 13.137
  },
  "oklch": {
    "l": 0.24202,
    "c": 0.05958,
    "h": 32.7
  },
  "luminance": 0.01305
}

Semantic roles & 50–950 ramp

primary

#37130C

secondary

#2C6773

accent

#CCE741

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #37130C

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

Preview Lab → · Contrast checker → · Palette generator →