#37150F#37150F

#37150F is a very dark, muted red. Relative luminance 0.014; OKLCH L 24.6% C 0.056 H 31.6°. Best body text is #FFFFFF at 16.45:1 contrast (WCAG AA passes).

Color values

HEX#37150F
RGBrgb(55, 21, 15)
HSLhsl(9, 57%, 14%)
HSVhsv(9, 73%, 22%)
CMYKcmyk(0%, 61.8%, 72.7%, 78.4%)
CIE-LABlab(11.85, 16.39, 11.60)
CIE-LCHlch(11.85, 20.07, 35.29°)
OKLaboklab(24.63% 0.0477 0.0294)
OKLCHoklch(24.63% 0.056 31.6)
XYZxyz(1.9301, 1.3833, 0.6172)
Luminance0.0138 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37150F #0F3137
analogous
#370F1D #37150F #37290F
triadic
#37150F #0F3715 #150F37
tetradic
#37150F #1D370F #0F3137 #290F37
square
#37150F #1D370F #0F3137 #290F37
split-complementary
#37150F #0F3729 #0F1D37
monochromatic
#180907 #180907 #37150F #67271C #973A29

Accessibility & contrast

On white

16.45
#37150F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.28
#37150F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37150F
16.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37150F#FFFFFF#000000##FFFFFF
##37150F1.0016.451.2816.45
#FFFFFF16.451.0021.001.00
#0000001.2821.001.0021.00
##FFFFFF16.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1E1B0E
Deuteranopia (green-blind)
#26220E
Tritanopia (blue-blind)
#3D0F14
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #37150f;
/* rgb */ color: rgb(55, 21, 15);
/* oklch */ color: oklch(24.6% 0.056 31.6);
Tailwind
colors: {
  custom: {
    50: '#71534e',
    500: '#37150f',
    950: '#000000',
  },
}
SCSS
$custom: #37150f;
$custom-light: #71534e;
$custom-dark: #000000;
JSON
{
  "hex": "#37150f",
  "rgb": {
    "r": 55,
    "g": 21,
    "b": 15
  },
  "hsl": {
    "h": 9,
    "s": 57.143,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24627,
    "c": 0.05603,
    "h": 31.6
  },
  "luminance": 0.01383
}

Semantic roles & 50–950 ramp

primary
#37150F
secondary
#316871
accent
#C9E047
background
#F7F4F4
surface
#EDE7E7
border
#C8C3C3
text
#080201
muted
#7B7877

Preview Lab

Preview with #37150F

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

Preview Lab → · Contrast checker → · Palette generator →

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