#370A04#370A04

#370A04 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.7% C 0.073 H 32.1°. Best body text is #FFFFFF at 17.39:1 contrast (WCAG AA passes).

Color values

HEX	#370A04
RGB	rgb(55, 10, 4)
HSL	hsl(7, 86%, 12%)
HSV	hsv(7, 93%, 22%)
CMYK	cmyk(0%, 81.8%, 92.7%, 78.4%)
CIE-LAB	lab(9.31, 21.84, 12.82)
CIE-LCH	lch(9.31, 25.32, 30.42°)
OKLab	oklab(22.65% 0.0617 0.0388)
OKLCH	oklch(22.65% 0.073 32.1)
XYZ	xyz(1.7062, 1.0383, 0.2254)
Luminance	0.0104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370A04 #043137

analogous

#370418 #370A04 #372404

triadic

#370A04 #04370A #0A0437

tetradic

#370A04 #183704 #043137 #240437

square

#370A04 #183704 #043137 #240437

split-complementary

#370A04 #043724 #041837

monochromatic

#1D0502 #1D0502 #370A04 #701408 #A91F0C

Accessibility & contrast

On white

17.39

#370A04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#370A04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370A04

17.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370A04	#FFFFFF	#000000	##FFFFFF
##370A04	1.00	17.39	1.21	17.39
#FFFFFF	17.39	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171403

Deuteranopia (green-blind)

#221E03

Tritanopia (blue-blind)

#3E0009

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #370a04;
/* rgb */ color: rgb(55, 10, 4);
/* oklch */ color: oklch(22.7% 0.073 32.1);

Tailwind

colors: {
  custom: {
    50: '#724c48',
    500: '#370a04',
    950: '#000000',
  },
}

SCSS

$custom: #370a04;
$custom-light: #724c48;
$custom-dark: #000000;

JSON

{
  "hex": "#370a04",
  "rgb": {
    "r": 55,
    "g": 10,
    "b": 4
  },
  "hsl": {
    "h": 7.059,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.22651,
    "c": 0.07286,
    "h": 32.1
  },
  "luminance": 0.01038
}

Semantic roles & 50–950 ramp

primary

#370A04

secondary

#1E6E79

accent

#E4FD2B

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #370A04

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

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