#370D0C#370D0C

#370D0C is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.2% C 0.067 H 25.2°. Best body text is #FFFFFF at 17.14:1 contrast (WCAG AA passes).

Color values

HEX	#370D0C
RGB	rgb(55, 13, 12)
HSL	hsl(1, 64%, 13%)
HSV	hsv(1, 78%, 22%)
CMYK	cmyk(0%, 76.4%, 78.2%, 78.4%)
CIE-LAB	lab(10.01, 20.83, 10.51)
CIE-LCH	lch(10.01, 23.33, 26.78°)
OKLab	oklab(23.22% 0.0609 0.0287)
OKLCH	oklch(23.22% 0.067 25.2)
XYZ	xyz(1.7860, 1.1269, 0.4712)
Luminance	0.0113 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370D0C #0C3637

analogous

#370C20 #370D0C #37220C

triadic

#370D0C #0C370D #0D0C37

tetradic

#370D0C #20370C #0C3637 #220C37

square

#370D0C #20370C #0C3637 #220C37

split-complementary

#370D0C #0C3722 #0C2037

monochromatic

#190605 #190605 #370D0C #691917 #9B2522

Accessibility & contrast

On white

17.14

#370D0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#370D0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D0C

17.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370D0C	#FFFFFF	#000000	##FFFFFF
##370D0C	1.00	17.14	1.23	17.14
#FFFFFF	17.14	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18160C

Deuteranopia (green-blind)

#231F0B

Tritanopia (blue-blind)

#3D040D

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #370d0c;
/* rgb */ color: rgb(55, 13, 12);
/* oklch */ color: oklch(23.2% 0.067 25.2);

Tailwind

colors: {
  custom: {
    50: '#724e4c',
    500: '#370d0c',
    950: '#000000',
  },
}

SCSS

$custom: #370d0c;
$custom-light: #724e4c;
$custom-dark: #000000;

JSON

{
  "hex": "#370d0c",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 12
  },
  "hsl": {
    "h": 1.395,
    "s": 64.179,
    "l": 13.137
  },
  "oklch": {
    "l": 0.2322,
    "c": 0.06735,
    "h": 25.2
  },
  "luminance": 0.01127
}

Semantic roles & 50–950 ramp

primary

#370D0C

secondary

#2C7173

accent

#E3E741

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #370D0C

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

Preview Lab → · Contrast checker → · Palette generator →