#37170E#37170E

#37170E is a very dark, muted red. Relative luminance 0.015; OKLCH L 25.0% C 0.054 H 36.6°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#37170E
RGB	rgb(55, 23, 14)
HSL	hsl(13, 59%, 14%)
HSV	hsv(13, 75%, 22%)
CMYK	cmyk(0%, 58.2%, 74.5%, 78.4%)
CIE-LAB	lab(12.33, 15.02, 12.78)
CIE-LCH	lch(12.33, 19.72, 40.38°)
OKLab	oklab(24.99% 0.0433 0.0322)
OKLCH	oklch(24.99% 0.054 36.6)
XYZ	xyz(1.9614, 1.4570, 0.5933)
Luminance	0.0146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37170E #0E2E37

analogous

#370E19 #37170E #372B0E

triadic

#37170E #0E3717 #170E37

tetradic

#37170E #19370E #0E2E37 #2B0E37

square

#37170E #19370E #0E2E37 #2B0E37

split-complementary

#37170E #0E372B #0E1937

monochromatic

#180A06 #180A06 #37170E #682B1A #994027

Accessibility & contrast

On white

16.26

#37170E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#37170E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37170E

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37170E	#FFFFFF	#000000	##FFFFFF
##37170E	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1C0D

Deuteranopia (green-blind)

#27230D

Tritanopia (blue-blind)

#3D1115

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #37170e;
/* rgb */ color: rgb(55, 23, 14);
/* oklch */ color: oklch(25.0% 0.054 36.6);

Tailwind

colors: {
  custom: {
    50: '#71554d',
    500: '#37170e',
    950: '#000000',
  },
}

SCSS

$custom: #37170e;
$custom-light: #71554d;
$custom-dark: #000000;

JSON

{
  "hex": "#37170e",
  "rgb": {
    "r": 55,
    "g": 23,
    "b": 14
  },
  "hsl": {
    "h": 13.171,
    "s": 59.42,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24991,
    "c": 0.05391,
    "h": 36.6
  },
  "luminance": 0.01457
}

Semantic roles & 50–950 ramp

primary

#37170E

secondary

#2F6372

accent

#C0E345

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080301

muted

#7B7877

Preview Lab

Preview with #37170E

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

Preview Lab → · Contrast checker → · Palette generator →