#370C04#370C04

#370C04 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 22.9% C 0.071 H 34.0°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#370C04
RGB	rgb(55, 12, 4)
HSL	hsl(9, 86%, 12%)
HSV	hsv(9, 93%, 22%)
CMYK	cmyk(0%, 78.2%, 92.7%, 78.4%)
CIE-LAB	lab(9.67, 20.84, 13.35)
CIE-LCH	lch(9.67, 24.74, 32.64°)
OKLab	oklab(22.93% 0.0586 0.0395)
OKLCH	oklch(22.93% 0.071 34)
XYZ	xyz(1.7291, 1.0842, 0.2331)
Luminance	0.0108 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370C04 #042F37

analogous

#370416 #370C04 #372604

triadic

#370C04 #04370C #0C0437

tetradic

#370C04 #163704 #042F37 #260437

square

#370C04 #163704 #042F37 #260437

split-complementary

#370C04 #043726 #041637

monochromatic

#1D0602 #1D0602 #370C04 #701808 #A9250C

Accessibility & contrast

On white

17.26

#370C04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#370C04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370C04

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370C04	#FFFFFF	#000000	##FFFFFF
##370C04	1.00	17.26	1.22	17.26
#FFFFFF	17.26	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191503

Deuteranopia (green-blind)

#231E03

Tritanopia (blue-blind)

#3E020A

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #370c04;
/* rgb */ color: rgb(55, 12, 4);
/* oklch */ color: oklch(22.9% 0.071 34.0);

Tailwind

colors: {
  custom: {
    50: '#724d48',
    500: '#370c04',
    950: '#000000',
  },
}

SCSS

$custom: #370c04;
$custom-light: #724d48;
$custom-dark: #000000;

JSON

{
  "hex": "#370c04",
  "rgb": {
    "r": 55,
    "g": 12,
    "b": 4
  },
  "hsl": {
    "h": 9.412,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.22926,
    "c": 0.07068,
    "h": 34
  },
  "luminance": 0.01084
}

Semantic roles & 50–950 ramp

primary

#370C04

secondary

#1E6B79

accent

#DCFD2B

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #370C04

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

Preview Lab → · Contrast checker → · Palette generator →