#370604#370604

#370604 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.1% C 0.077 H 28.7°. Best body text is #FFFFFF at 17.64:1 contrast (WCAG AA passes).

Color values

HEX	#370604
RGB	rgb(55, 6, 4)
HSL	hsl(2, 86%, 12%)
HSV	hsv(2, 93%, 22%)
CMYK	cmyk(0%, 89.1%, 92.7%, 78.4%)
CIE-LAB	lab(8.58, 23.85, 11.78)
CIE-LCH	lch(8.58, 26.60, 26.28°)
OKLab	oklab(22.11% 0.068 0.0372)
OKLCH	oklch(22.11% 0.077 28.7)
XYZ	xyz(1.6628, 0.9515, 0.2109)
Luminance	0.0095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370604 #043537

analogous

#37041C #370604 #372004

triadic

#370604 #043706 #060437

tetradic

#370604 #1C3704 #043537 #200437

square

#370604 #1C3704 #043537 #200437

split-complementary

#370604 #043720 #041C37

monochromatic

#1D0302 #1D0302 #370604 #700C08 #A9120C

Accessibility & contrast

On white

17.64

#370604 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#370604 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370604

17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370604	#FFFFFF	#000000	##FFFFFF
##370604	1.00	17.64	1.19	17.64
#FFFFFF	17.64	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151203

Deuteranopia (green-blind)

#211D03

Tritanopia (blue-blind)

#3E0006

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #370604;
/* rgb */ color: rgb(55, 6, 4);
/* oklch */ color: oklch(22.1% 0.077 28.7);

Tailwind

colors: {
  custom: {
    50: '#724a48',
    500: '#370604',
    950: '#000000',
  },
}

SCSS

$custom: #370604;
$custom-light: #724a48;
$custom-dark: #000000;

JSON

{
  "hex": "#370604",
  "rgb": {
    "r": 55,
    "g": 6,
    "b": 4
  },
  "hsl": {
    "h": 2.353,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.22109,
    "c": 0.07749,
    "h": 28.7
  },
  "luminance": 0.00951
}

Semantic roles & 50–950 ramp

primary

#370604

secondary

#1E7579

accent

#F4FD2B

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #370604

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

Preview Lab → · Contrast checker → · Palette generator →