#37170D#37170D

#37170D is a very dark, muted red. Relative luminance 0.015; OKLCH L 25.0% C 0.054 H 38.0°. Best body text is #FFFFFF at 16.27:1 contrast (WCAG AA passes).

Color values

HEX	#37170D
RGB	rgb(55, 23, 13)
HSL	hsl(14, 62%, 13%)
HSV	hsv(14, 76%, 22%)
CMYK	cmyk(0%, 58.2%, 76.4%, 78.4%)
CIE-LAB	lab(12.31, 14.95, 13.24)
CIE-LCH	lch(12.31, 19.97, 41.55°)
OKLab	oklab(24.97% 0.0428 0.0335)
OKLCH	oklch(24.97% 0.054 38)
XYZ	xyz(1.9548, 1.4543, 0.5585)
Luminance	0.0145 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37170D #0D2D37

analogous

#370D18 #37170D #372C0D

triadic

#37170D #0D3717 #170D37

tetradic

#37170D #18370D #0D2D37 #2C0D37

square

#37170D #18370D #0D2D37 #2C0D37

split-complementary

#37170D #0D372C #0D1837

monochromatic

#190A06 #190A06 #37170D #682C19 #9A4024

Accessibility & contrast

On white

16.27

#37170D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#37170D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37170D

16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37170D	#FFFFFF	#000000	##FFFFFF
##37170D	1.00	16.27	1.29	16.27
#FFFFFF	16.27	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1C0C

Deuteranopia (green-blind)

#27230C

Tritanopia (blue-blind)

#3D1115

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #37170d;
/* rgb */ color: rgb(55, 23, 13);
/* oklch */ color: oklch(25.0% 0.054 38.0);

Tailwind

colors: {
  custom: {
    50: '#71544c',
    500: '#37170d',
    950: '#000000',
  },
}

SCSS

$custom: #37170d;
$custom-light: #71544c;
$custom-dark: #000000;

JSON

{
  "hex": "#37170d",
  "rgb": {
    "r": 55,
    "g": 23,
    "b": 13
  },
  "hsl": {
    "h": 14.286,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24972,
    "c": 0.05435,
    "h": 38
  },
  "luminance": 0.01454
}

Semantic roles & 50–950 ramp

primary

#37170D

secondary

#2D6272

accent

#BEE543

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080301

muted

#7B7877

Preview Lab

Preview with #37170D

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

Preview Lab → · Contrast checker → · Palette generator →