#37150D#37150D

#37150D is a very dark, muted red. Relative luminance 0.014; OKLCH L 24.6% C 0.057 H 34.5°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#37150D
RGB	rgb(55, 21, 13)
HSL	hsl(11, 62%, 13%)
HSV	hsv(11, 76%, 22%)
CMYK	cmyk(0%, 61.8%, 76.4%, 78.4%)
CIE-LAB	lab(11.81, 16.22, 12.56)
CIE-LCH	lch(11.81, 20.51, 37.74°)
OKLab	oklab(24.59% 0.0468 0.0321)
OKLCH	oklch(24.59% 0.057 34.5)
XYZ	xyz(1.9165, 1.3778, 0.5457)
Luminance	0.0138 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37150D #0D2F37

analogous

#370D1A #37150D #372A0D

triadic

#37150D #0D3715 #150D37

tetradic

#37150D #1A370D #0D2F37 #2A0D37

square

#37150D #1A370D #0D2F37 #2A0D37

split-complementary

#37150D #0D372A #0D1A37

monochromatic

#190906 #190906 #37150D #682819 #9A3B24

Accessibility & contrast

On white

16.46

#37150D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#37150D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37150D

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37150D	#FFFFFF	#000000	##FFFFFF
##37150D	1.00	16.46	1.28	16.46
#FFFFFF	16.46	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1B0C

Deuteranopia (green-blind)

#26220C

Tritanopia (blue-blind)

#3D0E13

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #37150d;
/* rgb */ color: rgb(55, 21, 13);
/* oklch */ color: oklch(24.6% 0.057 34.5);

Tailwind

colors: {
  custom: {
    50: '#71534c',
    500: '#37150d',
    950: '#000000',
  },
}

SCSS

$custom: #37150d;
$custom-light: #71534c;
$custom-dark: #000000;

JSON

{
  "hex": "#37150d",
  "rgb": {
    "r": 55,
    "g": 21,
    "b": 13
  },
  "hsl": {
    "h": 11.429,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24587,
    "c": 0.05673,
    "h": 34.5
  },
  "luminance": 0.01378
}

Semantic roles & 50–950 ramp

primary

#37150D

secondary

#2D6572

accent

#C6E543

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #37150D

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

Preview Lab → · Contrast checker → · Palette generator →