#37170F#37170F

#37170F is a dark, muted red. Relative luminance 0.015; OKLCH L 25.0% C 0.053 H 35.1°. Best body text is #FFFFFF at 16.25:1 contrast (WCAG AA passes).

Color values

HEX	#37170F
RGB	rgb(55, 23, 15)
HSL	hsl(12, 57%, 14%)
HSV	hsv(12, 73%, 22%)
CMYK	cmyk(0%, 58.2%, 72.7%, 78.4%)
CIE-LAB	lab(12.35, 15.11, 12.28)
CIE-LCH	lch(12.35, 19.47, 39.11°)
OKLab	oklab(25.01% 0.0438 0.0308)
OKLCH	oklch(25.01% 0.053 35.1)
XYZ	xyz(1.9683, 1.4597, 0.6299)
Luminance	0.0146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37170F #0F2F37

analogous

#370F1B #37170F #372B0F

triadic

#37170F #0F3717 #170F37

tetradic

#37170F #1B370F #0F2F37 #2B0F37

square

#37170F #1B370F #0F2F37 #2B0F37

split-complementary

#37170F #0F372B #0F1B37

monochromatic

#180A07 #180A07 #37170F #672B1C #973F29

Accessibility & contrast

On white

16.25

#37170F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#37170F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37170F

16.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37170F	#FFFFFF	#000000	##FFFFFF
##37170F	1.00	16.25	1.29	16.25
#FFFFFF	16.25	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1C0E

Deuteranopia (green-blind)

#27230E

Tritanopia (blue-blind)

#3D1115

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #37170f;
/* rgb */ color: rgb(55, 23, 15);
/* oklch */ color: oklch(25.0% 0.053 35.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#37170f",
  "rgb": {
    "r": 55,
    "g": 23,
    "b": 15
  },
  "hsl": {
    "h": 12,
    "s": 57.143,
    "l": 13.725
  },
  "oklch": {
    "l": 0.2501,
    "c": 0.05349,
    "h": 35.1
  },
  "luminance": 0.0146
}

Semantic roles & 50–950 ramp

primary

#37170F

secondary

#316471

accent

#C2E047

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080301

muted

#7B7877

Preview Lab

Preview with #37170F

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

Preview Lab → · Contrast checker → · Palette generator →