#370B14#370B14

#370B14 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.1% C 0.070 H 12.5°. Best body text is #FFFFFF at 17.21:1 contrast (WCAG AA passes).

Color values

HEX#370B14
RGBrgb(55, 11, 20)
HSLhsl(348, 67%, 13%)
HSVhsv(348, 80%, 22%)
CMYKcmyk(0%, 80%, 63.6%, 78.4%)
CIE-LABlab(9.82, 22.53, 5.79)
CIE-LCHlch(9.82, 23.26, 14.41°)
OKLaboklab(23.14% 0.0681 0.0151)
OKLCHoklch(23.14% 0.07 12.5)
XYZxyz(1.8217, 1.1023, 0.7785)
Luminance0.0110 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#370B14 #0B372E
analogous
#370B2A #370B14 #37180B
triadic
#370B14 #14370B #0B1437
tetradic
#370B14 #2A370B #0B372E #180B37
square
#370B14 #2A370B #0B372E #180B37
split-complementary
#370B14 #0B3718 #0B2A37
monochromatic
#1A0509 #1A0509 #370B14 #6A1527 #9D1F39

Accessibility & contrast

On white

17.21
#370B14 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.22
#370B14 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B14
17.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##370B14#FFFFFF#000000##FFFFFF
##370B141.0017.211.2217.21
#FFFFFF17.211.0021.001.00
#0000001.2221.001.0021.00
##FFFFFF17.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#161514
Deuteranopia (green-blind)
#211E13
Tritanopia (blue-blind)
#3D040F
Achromatopsia (no color)
#1B1B1B

Design tokens & code

CSS
--color: #370b14;
/* rgb */ color: rgb(55, 11, 20);
/* oklch */ color: oklch(23.1% 0.070 12.5);
Tailwind
colors: {
  custom: {
    50: '#714d51',
    500: '#370b14',
    950: '#000000',
  },
}
SCSS
$custom: #370b14;
$custom-light: #714d51;
$custom-dark: #000000;
JSON
{
  "hex": "#370b14",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 20
  },
  "hsl": {
    "h": 347.727,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23138,
    "c": 0.0697,
    "h": 12.5
  },
  "luminance": 0.01102
}

Semantic roles & 50–950 ramp

primary
#370B14
secondary
#2A7465
accent
#EAC73E
background
#F7F4F4
surface
#EDE7E7
border
#C8C3C3
text
#080102
muted
#7B7778

Preview Lab

Preview with #370B14

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

Preview Lab → · Contrast checker → · Palette generator →

#370B14 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva