#370D03#370D03

#370D03 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.1% C 0.070 H 36.3°. Best body text is #FFFFFF at 17.19:1 contrast (WCAG AA passes).

Color values

HEX	#370D03
RGB	rgb(55, 13, 3)
HSL	hsl(12, 90%, 11%)
HSV	hsv(12, 95%, 22%)
CMYK	cmyk(0%, 76.4%, 94.5%, 78.4%)
CIE-LAB	lab(9.85, 20.25, 14.01)
CIE-LCH	lch(9.85, 24.62, 34.67°)
OKLab	oklab(23.06% 0.0564 0.0415)
OKLCH	oklch(23.06% 0.07 36.3)
XYZ	xyz(1.7361, 1.1069, 0.2084)
Luminance	0.0111 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370D03 #032D37

analogous

#370313 #370D03 #372703

triadic

#370D03 #03370D #0D0337

tetradic

#370D03 #133703 #032D37 #270337

square

#370D03 #133703 #032D37 #270337

split-complementary

#370D03 #033727 #031337

monochromatic

#1D0702 #1D0702 #370D03 #711B06 #AB2809

Accessibility & contrast

On white

17.19

#370D03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#370D03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D03

17.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370D03	#FFFFFF	#000000	##FFFFFF
##370D03	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)

#191502

Deuteranopia (green-blind)

#241F02

Tritanopia (blue-blind)

#3E030B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #370d03;
/* rgb */ color: rgb(55, 13, 3);
/* oklch */ color: oklch(23.1% 0.070 36.3);

Tailwind

colors: {
  custom: {
    50: '#724e48',
    500: '#370d03',
    950: '#000000',
  },
}

SCSS

$custom: #370d03;
$custom-light: #724e48;
$custom-dark: #000000;

JSON

{
  "hex": "#370d03",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 3
  },
  "hsl": {
    "h": 11.538,
    "s": 89.655,
    "l": 11.373
  },
  "oklch": {
    "l": 0.23055,
    "c": 0.07001,
    "h": 36.3
  },
  "luminance": 0.01107
}

Semantic roles & 50–950 ramp

primary

#370D03

secondary

#1C687A

accent

#D6FF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080200

muted

#7B7877

Preview Lab

Preview with #370D03

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

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