#37110C#37110C

#37110C is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.9% C 0.062 H 29.9°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#37110C
RGB	rgb(55, 17, 12)
HSL	hsl(7, 64%, 13%)
HSV	hsv(7, 78%, 22%)
CMYK	cmyk(0%, 69.1%, 78.2%, 78.4%)
CIE-LAB	lab(10.85, 18.59, 11.69)
CIE-LCH	lch(10.85, 21.96, 32.17°)
OKLab	oklab(23.85% 0.0539 0.031)
OKLCH	oklch(23.85% 0.062 29.9)
XYZ	xyz(1.8425, 1.2399, 0.4901)
Luminance	0.0124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37110C #0C3237

analogous

#370C1C #37110C #37260C

triadic

#37110C #0C3711 #110C37

tetradic

#37110C #1C370C #0C3237 #260C37

square

#37110C #1C370C #0C3237 #260C37

split-complementary

#37110C #0C3726 #0C1C37

monochromatic

#190805 #190805 #37110C #692117 #9B3022

Accessibility & contrast

On white

16.83

#37110C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#37110C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37110C

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37110C	#FFFFFF	#000000	##FFFFFF
##37110C	1.00	16.83	1.25	16.83
#FFFFFF	16.83	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B180B

Deuteranopia (green-blind)

#24200B

Tritanopia (blue-blind)

#3D0910

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #37110c;
/* rgb */ color: rgb(55, 17, 12);
/* oklch */ color: oklch(23.9% 0.062 29.9);

Tailwind

colors: {
  custom: {
    50: '#71514c',
    500: '#37110c',
    950: '#000000',
  },
}

SCSS

$custom: #37110c;
$custom-light: #71514c;
$custom-dark: #000000;

JSON

{
  "hex": "#37110c",
  "rgb": {
    "r": 55,
    "g": 17,
    "b": 12
  },
  "hsl": {
    "h": 6.977,
    "s": 64.179,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23854,
    "c": 0.06215,
    "h": 29.9
  },
  "luminance": 0.0124
}

Semantic roles & 50–950 ramp

primary

#37110C

secondary

#2C6B73

accent

#D4E741

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #37110C

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

Preview Lab → · Contrast checker → · Palette generator →