#37110D#37110D

#37110D is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.9% C 0.062 H 28.6°. Best body text is #FFFFFF at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#37110D
RGB	rgb(55, 17, 13)
HSL	hsl(6, 62%, 13%)
HSV	hsv(6, 76%, 22%)
CMYK	cmyk(0%, 69.1%, 76.4%, 78.4%)
CIE-LAB	lab(10.87, 18.66, 11.25)
CIE-LCH	lch(10.87, 21.79, 31.09°)
OKLab	oklab(23.87% 0.0544 0.0296)
OKLCH	oklch(23.87% 0.062 28.6)
XYZ	xyz(1.8488, 1.2424, 0.5231)
Luminance	0.0124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37110D #0D3337

analogous

#370D1E #37110D #37260D

triadic

#37110D #0D3711 #110D37

tetradic

#37110D #1E370D #0D3337 #260D37

square

#37110D #1E370D #0D3337 #260D37

split-complementary

#37110D #0D3726 #0D1E37

monochromatic

#190806 #190806 #37110D #682019 #9A3024

Accessibility & contrast

On white

16.82

#37110D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#37110D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37110D

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37110D	#FFFFFF	#000000	##FFFFFF
##37110D	1.00	16.82	1.25	16.82
#FFFFFF	16.82	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B180C

Deuteranopia (green-blind)

#24200C

Tritanopia (blue-blind)

#3D0910

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #37110d;
/* rgb */ color: rgb(55, 17, 13);
/* oklch */ color: oklch(23.9% 0.062 28.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#37110d",
  "rgb": {
    "r": 55,
    "g": 17,
    "b": 13
  },
  "hsl": {
    "h": 5.714,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23873,
    "c": 0.06189,
    "h": 28.6
  },
  "luminance": 0.01242
}

Semantic roles & 50–950 ramp

primary

#37110D

secondary

#2D6C72

accent

#D5E543

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #37110D

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

Preview Lab → · Contrast checker → · Palette generator →