#370F04#370F04

#370F04 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.4% C 0.067 H 37.3°. Best body text is #FFFFFF at 17.04:1 contrast (WCAG AA passes).

Color values

HEX	#370F04
RGB	rgb(55, 15, 4)
HSL	hsl(13, 86%, 12%)
HSV	hsv(13, 93%, 22%)
CMYK	cmyk(0%, 72.7%, 92.7%, 78.4%)
CIE-LAB	lab(10.28, 19.21, 14.20)
CIE-LCH	lch(10.28, 23.89, 36.47°)
OKLab	oklab(23.38% 0.0536 0.0408)
OKLCH	oklch(23.38% 0.067 37.3)
XYZ	xyz(1.7685, 1.1629, 0.2462)
Luminance	0.0116 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370F04 #042C37

analogous

#370413 #370F04 #372904

triadic

#370F04 #04370F #0F0437

tetradic

#370F04 #133704 #042C37 #290437

square

#370F04 #133704 #042C37 #290437

split-complementary

#370F04 #043729 #041337

monochromatic

#1D0802 #1D0802 #370F04 #701F08 #A92E0C

Accessibility & contrast

On white

17.04

#370F04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#370F04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370F04

17.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370F04	#FFFFFF	#000000	##FFFFFF
##370F04	1.00	17.04	1.23	17.04
#FFFFFF	17.04	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1603

Deuteranopia (green-blind)

#241F03

Tritanopia (blue-blind)

#3D050D

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370f04;
/* rgb */ color: rgb(55, 15, 4);
/* oklch */ color: oklch(23.4% 0.067 37.3);

Tailwind

colors: {
  custom: {
    50: '#724f48',
    500: '#370f04',
    950: '#000000',
  },
}

SCSS

$custom: #370f04;
$custom-light: #724f48;
$custom-dark: #000000;

JSON

{
  "hex": "#370f04",
  "rgb": {
    "r": 55,
    "g": 15,
    "b": 4
  },
  "hsl": {
    "h": 12.941,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.23383,
    "c": 0.06735,
    "h": 37.3
  },
  "luminance": 0.01163
}

Semantic roles & 50–950 ramp

primary

#370F04

secondary

#1E6579

accent

#CFFD2B

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080200

muted

#7B7877

Preview Lab

Preview with #370F04

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

Preview Lab → · Contrast checker → · Palette generator →