#370C0E#370C0E

#370C0E is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.1% C 0.068 H 21.7°. Best body text is #FFFFFF at 17.19:1 contrast (WCAG AA passes).

Color values

HEX#370C0E
RGBrgb(55, 12, 14)
HSLhsl(357, 64%, 13%)
HSVhsv(357, 78%, 22%)
CMYKcmyk(0%, 78.2%, 74.5%, 78.4%)
CIE-LABlab(9.85, 21.50, 9.34)
CIE-LCHlch(9.85, 23.44, 23.47°)
OKLaboklab(23.12% 0.0635 0.0253)
OKLCHoklch(23.12% 0.068 21.7)
XYZxyz(1.7865, 1.1071, 0.5350)
Luminance0.0111 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#370C0E #0C3735
analogous
#370C23 #370C0E #371F0C
triadic
#370C0E #0E370C #0C0E37
tetradic
#370C0E #23370C #0C3735 #1F0C37
square
#370C0E #23370C #0C3735 #1F0C37
split-complementary
#370C0E #0C371F #0C2337
monochromatic
#190506 #190506 #370C0E #69171B #9B2228

Accessibility & contrast

On white

17.19
#370C0E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.22
#370C0E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370C0E
17.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##370C0E#FFFFFF#000000##FFFFFF
##370C0E1.0017.191.2217.19
#FFFFFF17.191.0021.001.00
#0000001.2221.001.0021.00
##FFFFFF17.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#17150E
Deuteranopia (green-blind)
#221F0D
Tritanopia (blue-blind)
#3D040D
Achromatopsia (no color)
#1B1B1B

Design tokens & code

CSS
--color: #370c0e;
/* rgb */ color: rgb(55, 12, 14);
/* oklch */ color: oklch(23.1% 0.068 21.7);
Tailwind
colors: {
  custom: {
    50: '#724e4d',
    500: '#370c0e',
    950: '#000000',
  },
}
SCSS
$custom: #370c0e;
$custom-light: #724e4d;
$custom-dark: #000000;
JSON
{
  "hex": "#370c0e",
  "rgb": {
    "r": 55,
    "g": 12,
    "b": 14
  },
  "hsl": {
    "h": 357.209,
    "s": 64.179,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23119,
    "c": 0.06836,
    "h": 21.7
  },
  "luminance": 0.01107
}

Semantic roles & 50–950 ramp

primary
#370C0E
secondary
#2C7370
accent
#E7DF41
background
#F7F4F4
surface
#EDE7E7
border
#C8C3C3
text
#080101
muted
#7B7777

Preview Lab

Preview with #370C0E

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

Preview Lab → · Contrast checker → · Palette generator →

#370C0E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva