#37150C#37150C

#37150C is a very dark, muted red. Relative luminance 0.014; OKLCH L 24.6% C 0.057 H 35.9°. Best body text is #FFFFFF at 16.47:1 contrast (WCAG AA passes).

Color values

HEX#37150C
RGBrgb(55, 21, 12)
HSLhsl(13, 64%, 13%)
HSVhsv(13, 78%, 22%)
CMYKcmyk(0%, 61.8%, 78.2%, 78.4%)
CIE-LABlab(11.79, 16.15, 13.00)
CIE-LCHlch(11.79, 20.73, 38.84°)
OKLaboklab(24.57% 0.0463 0.0335)
OKLCHoklch(24.57% 0.057 35.9)
XYZxyz(1.9102, 1.3753, 0.5126)
Luminance0.0138 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37150C #0C2E37
analogous
#370C18 #37150C #372A0C
triadic
#37150C #0C3715 #150C37
tetradic
#37150C #18370C #0C2E37 #2A0C37
square
#37150C #18370C #0C2E37 #2A0C37
split-complementary
#37150C #0C372A #0C1837
monochromatic
#190A05 #190A05 #37150C #692817 #9B3B22

Accessibility & contrast

On white

16.47
#37150C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.27
#37150C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37150C
16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37150C#FFFFFF#000000##FFFFFF
##37150C1.0016.471.2716.47
#FFFFFF16.471.0021.001.00
#0000001.2721.001.0021.00
##FFFFFF16.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1E1A0B
Deuteranopia (green-blind)
#26220B
Tritanopia (blue-blind)
#3D0E13
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #37150c;
/* rgb */ color: rgb(55, 21, 12);
/* oklch */ color: oklch(24.6% 0.057 35.9);
Tailwind
colors: {
  custom: {
    50: '#71534c',
    500: '#37150c',
    950: '#000000',
  },
}
SCSS
$custom: #37150c;
$custom-light: #71534c;
$custom-dark: #000000;
JSON
{
  "hex": "#37150c",
  "rgb": {
    "r": 55,
    "g": 21,
    "b": 12
  },
  "hsl": {
    "h": 12.558,
    "s": 64.179,
    "l": 13.137
  },
  "oklch": {
    "l": 0.24569,
    "c": 0.05712,
    "h": 35.9
  },
  "luminance": 0.01375
}

Semantic roles & 50–950 ramp

primary
#37150C
secondary
#2C6473
accent
#C4E741
background
#F7F4F4
surface
#EDE7E7
border
#C8C3C3
text
#080201
muted
#7B7877

Preview Lab

Preview with #37150C

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

Preview Lab → · Contrast checker → · Palette generator →

#37150C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva