#370D13#370D13

#370D13 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.4% C 0.067 H 15.6°. Best body text is #FFFFFF at 17.08:1 contrast (WCAG AA passes).

Color values

HEX	#370D13
RGB	rgb(55, 13, 19)
HSL	hsl(351, 62%, 13%)
HSV	hsv(351, 76%, 22%)
CMYK	cmyk(0%, 76.4%, 65.5%, 78.4%)
CIE-LAB	lab(10.16, 21.42, 6.93)
CIE-LCH	lch(10.16, 22.51, 17.92°)
OKLab	oklab(23.39% 0.0643 0.0179)
OKLCH	oklch(23.39% 0.067 15.6)
XYZ	xyz(1.8372, 1.1473, 0.7407)
Luminance	0.0115 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370D13 #0D3731

analogous

#370D28 #370D13 #371C0D

triadic

#370D13 #13370D #0D1337

tetradic

#370D13 #28370D #0D3731 #1C0D37

square

#370D13 #28370D #0D3731 #1C0D37

split-complementary

#370D13 #0D371C #0D2837

monochromatic

#190609 #190609 #370D13 #681924 #9A2435

Accessibility & contrast

On white

17.08

#370D13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#370D13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D13

17.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370D13	#FFFFFF	#000000	##FFFFFF
##370D13	1.00	17.08	1.23	17.08
#FFFFFF	17.08	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171613

Deuteranopia (green-blind)

#221F12

Tritanopia (blue-blind)

#3D060F

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370d13;
/* rgb */ color: rgb(55, 13, 19);
/* oklch */ color: oklch(23.4% 0.067 15.6);

Tailwind

colors: {
  custom: {
    50: '#714e50',
    500: '#370d13',
    950: '#000000',
  },
}

SCSS

$custom: #370d13;
$custom-light: #714e50;
$custom-dark: #000000;

JSON

{
  "hex": "#370d13",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 19
  },
  "hsl": {
    "h": 351.429,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23388,
    "c": 0.06678,
    "h": 15.6
  },
  "luminance": 0.01147
}

Semantic roles & 50–950 ramp

primary

#370D13

secondary

#2D7269

accent

#E5CE43

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080202

muted

#7B7878

Preview Lab

Preview with #370D13

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

Preview Lab → · Contrast checker → · Palette generator →