#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
RGBrgb(55, 6, 4)
HSLhsl(2, 86%, 12%)
HSVhsv(2, 93%, 22%)
CMYKcmyk(0%, 89.1%, 92.7%, 78.4%)
CIE-LABlab(8.58, 23.85, 11.78)
CIE-LCHlch(8.58, 26.60, 26.28°)
OKLaboklab(22.11% 0.068 0.0372)
OKLCHoklch(22.11% 0.077 28.7)
XYZxyz(1.6628, 0.9515, 0.2109)
Luminance0.0095 (WCAG relative)
Temperaturewarm
Familyred

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
##3706041.0017.641.1917.64
#FFFFFF17.641.0021.001.00
#0000001.1921.001.0021.00
##FFFFFF17.641.0021.001.00

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 →

#370604 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva