#370506#370506

#370506 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 22.0% C 0.078 H 25.4°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX#370506
RGBrgb(55, 5, 6)
HSLhsl(359, 83%, 12%)
HSVhsv(359, 91%, 22%)
CMYKcmyk(0%, 90.9%, 89.1%, 78.4%)
CIE-LABlab(8.43, 24.50, 10.75)
CIE-LCHlch(8.43, 26.75, 23.69°)
OKLaboklab(22.01% 0.0708 0.0336)
OKLCHoklch(22.01% 0.078 25.4)
XYZxyz(1.6629, 0.9342, 0.2650)
Luminance0.0093 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#370506 #053736
analogous
#37051F #370506 #371D05
triadic
#370506 #063705 #050637
tetradic
#370506 #1F3705 #053736 #1D0537
square
#370506 #1F3705 #053736 #1D0537
split-complementary
#370506 #05371D #051F37
monochromatic
#1C0303 #1C0303 #370506 #6F0A0C #A70F12

Accessibility & contrast

On white

17.69
#370506 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.19
#370506 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370506
17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##370506#FFFFFF#000000##FFFFFF
##3705061.0017.691.1917.69
#FFFFFF17.691.0021.001.00
#0000001.1921.001.0021.00
##FFFFFF17.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#141106
Deuteranopia (green-blind)
#211C05
Tritanopia (blue-blind)
#3E0006
Achromatopsia (no color)
#181818

Design tokens & code

CSS
--color: #370506;
/* rgb */ color: rgb(55, 5, 6);
/* oklch */ color: oklch(22.0% 0.078 25.4);
Tailwind
colors: {
  custom: {
    50: '#724a49',
    500: '#370506',
    950: '#000000',
  },
}
SCSS
$custom: #370506;
$custom-light: #724a49;
$custom-dark: #000000;
JSON
{
  "hex": "#370506",
  "rgb": {
    "r": 55,
    "g": 5,
    "b": 6
  },
  "hsl": {
    "h": 358.8,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22009,
    "c": 0.07833,
    "h": 25.4
  },
  "luminance": 0.00934
}

Semantic roles & 50–950 ramp

primary
#370506
secondary
#207876
accent
#FAF62E
background
#F7F4F4
surface
#EDE7E6
border
#C8C3C2
text
#090100
muted
#7B7777

Preview Lab

Preview with #370506

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

Preview Lab → · Contrast checker → · Palette generator →

#370506 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva