#370D04#370D04

#370D04 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.1% C 0.070 H 35.0°. Best body text is #FFFFFF at 17.19:1 contrast (WCAG AA passes).

Color values

HEX	#370D04
RGB	rgb(55, 13, 4)
HSL	hsl(11, 86%, 12%)
HSV	hsv(11, 93%, 22%)
CMYK	cmyk(0%, 76.4%, 92.7%, 78.4%)
CIE-LAB	lab(9.87, 20.31, 13.62)
CIE-LCH	lch(9.87, 24.46, 33.85°)
OKLab	oklab(23.07% 0.057 0.0399)
OKLCH	oklch(23.07% 0.07 35)
XYZ	xyz(1.7416, 1.1091, 0.2372)
Luminance	0.0111 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370D04 #042E37

analogous

#370415 #370D04 #372704

triadic

#370D04 #04370D #0D0437

tetradic

#370D04 #153704 #042E37 #270437

square

#370D04 #153704 #042E37 #270437

split-complementary

#370D04 #043727 #041537

monochromatic

#1D0702 #1D0702 #370D04 #701A08 #A9280C

Accessibility & contrast

On white

17.19

#370D04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#370D04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D04

17.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370D04	#FFFFFF	#000000	##FFFFFF
##370D04	1.00	17.19	1.22	17.19
#FFFFFF	17.19	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191503

Deuteranopia (green-blind)

#231F03

Tritanopia (blue-blind)

#3E030B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #370d04;
/* rgb */ color: rgb(55, 13, 4);
/* oklch */ color: oklch(23.1% 0.070 35.0);

Tailwind

colors: {
  custom: {
    50: '#724e48',
    500: '#370d04',
    950: '#000000',
  },
}

SCSS

$custom: #370d04;
$custom-light: #724e48;
$custom-dark: #000000;

JSON

{
  "hex": "#370d04",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 4
  },
  "hsl": {
    "h": 10.588,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.23073,
    "c": 0.06957,
    "h": 35
  },
  "luminance": 0.01109
}

Semantic roles & 50–950 ramp

primary

#370D04

secondary

#1E6979

accent

#D8FD2B

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080200

muted

#7B7877

Preview Lab

Preview with #370D04

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

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