#370C11#370C11

#370C11 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.2% C 0.068 H 17.6°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).

Color values

HEX#370C11
RGBrgb(55, 12, 17)
HSLhsl(353, 64%, 13%)
HSVhsv(353, 78%, 22%)
CMYKcmyk(0%, 78.2%, 69.1%, 78.4%)
CIE-LABlab(9.92, 21.75, 7.80)
CIE-LCHlch(9.92, 23.11, 19.74°)
OKLaboklab(23.19% 0.065 0.0206)
OKLCHoklch(23.19% 0.068 17.6)
XYZxyz(1.8084, 1.1159, 0.6504)
Luminance0.0112 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#370C11 #0C3732
analogous
#370C26 #370C11 #371C0C
triadic
#370C11 #11370C #0C1137
tetradic
#370C11 #26370C #0C3732 #1C0C37
square
#370C11 #26370C #0C3732 #1C0C37
split-complementary
#370C11 #0C371C #0C2637
monochromatic
#190508 #190508 #370C11 #691721 #9B2230

Accessibility & contrast

On white

17.17
#370C11 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.22
#370C11 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370C11
17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##370C11#FFFFFF#000000##FFFFFF
##370C111.0017.171.2217.17
#FFFFFF17.171.0021.001.00
#0000001.2221.001.0021.00
##FFFFFF17.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#171611
Deuteranopia (green-blind)
#221F10
Tritanopia (blue-blind)
#3D040E
Achromatopsia (no color)
#1B1B1B

Design tokens & code

CSS
--color: #370c11;
/* rgb */ color: rgb(55, 12, 17);
/* oklch */ color: oklch(23.2% 0.068 17.6);
Tailwind
colors: {
  custom: {
    50: '#714e4f',
    500: '#370c11',
    950: '#000000',
  },
}
SCSS
$custom: #370c11;
$custom-light: #714e4f;
$custom-dark: #000000;
JSON
{
  "hex": "#370c11",
  "rgb": {
    "r": 55,
    "g": 12,
    "b": 17
  },
  "hsl": {
    "h": 353.023,
    "s": 64.179,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23191,
    "c": 0.06817,
    "h": 17.6
  },
  "luminance": 0.01116
}

Semantic roles & 50–950 ramp

primary
#370C11
secondary
#2C736B
accent
#E7D441
background
#F7F4F4
surface
#EDE7E7
border
#C8C3C3
text
#080101
muted
#7B7777

Preview Lab

Preview with #370C11

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

Preview Lab → · Contrast checker → · Palette generator →

#370C11 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva