#370C13#370C13

#370C13 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.2% C 0.068 H 14.7°. Best body text is #FFFFFF at 17.15:1 contrast (WCAG AA passes).

Color values

HEX	#370C13
RGB	rgb(55, 12, 19)
HSL	hsl(350, 64%, 13%)
HSV	hsv(350, 78%, 22%)
CMYK	cmyk(0%, 78.2%, 65.5%, 78.4%)
CIE-LAB	lab(9.97, 21.93, 6.66)
CIE-LCH	lch(9.97, 22.92, 16.89°)
OKLab	oklab(23.25% 0.066 0.0173)
OKLCH	oklch(23.25% 0.068 14.7)
XYZ	xyz(1.8247, 1.1224, 0.7365)
Luminance	0.0112 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370C13 #0C3730

analogous

#370C28 #370C13 #371A0C

triadic

#370C13 #13370C #0C1337

tetradic

#370C13 #28370C #0C3730 #1A0C37

square

#370C13 #28370C #0C3730 #1A0C37

split-complementary

#370C13 #0C371A #0C2837

monochromatic

#190509 #190509 #370C13 #691724 #9B2236

Accessibility & contrast

On white

17.15

#370C13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#370C13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370C13

17.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370C13	#FFFFFF	#000000	##FFFFFF
##370C13	1.00	17.15	1.22	17.15
#FFFFFF	17.15	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171613

Deuteranopia (green-blind)

#221F12

Tritanopia (blue-blind)

#3D050F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #370c13;
/* rgb */ color: rgb(55, 12, 19);
/* oklch */ color: oklch(23.2% 0.068 14.7);

Tailwind

colors: {
  custom: {
    50: '#714e50',
    500: '#370c13',
    950: '#000000',
  },
}

SCSS

$custom: #370c13;
$custom-light: #714e50;
$custom-dark: #000000;

JSON

{
  "hex": "#370c13",
  "rgb": {
    "r": 55,
    "g": 12,
    "b": 19
  },
  "hsl": {
    "h": 350.233,
    "s": 64.179,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23246,
    "c": 0.06821,
    "h": 14.7
  },
  "luminance": 0.01122
}

Semantic roles & 50–950 ramp

primary

#370C13

secondary

#2C7367

accent

#E7CC41

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080102

muted

#7B7778

Preview Lab

Preview with #370C13

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

Preview Lab → · Contrast checker → · Palette generator →