#370D33#370D33

#370D33 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.9% C 0.085 H 331.8°. Best body text is #FFFFFF at 16.56:1 contrast (WCAG AA passes).

Color values

HEX#370D33
RGBrgb(55, 13, 51)
HSLhsl(306, 62%, 13%)
HSVhsv(306, 76%, 22%)
CMYKcmyk(0%, 76.4%, 7.3%, 78.4%)
CIE-LABlab(11.55, 26.24, -14.66)
CIE-LCHlch(11.55, 30.05, 330.81°)
OKLaboklab(24.86% 0.0751 -0.0402)
OKLCHoklch(24.86% 0.085 331.8)
XYZxyz(2.3170, 1.3393, 3.2678)
Luminance0.0134 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#370D33 #0D3711
analogous
#260D37 #370D33 #370D1E
triadic
#370D33 #33370D #0D3337
tetradic
#370D33 #37260D #0D3711 #0D1E37
square
#370D33 #37260D #0D3711 #0D1E37
split-complementary
#370D33 #1E370D #0D3726
monochromatic
#190617 #190617 #370D33 #681961 #9A248F

Accessibility & contrast

On white

16.56
#370D33 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.27
#370D33 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D33
16.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##370D33#FFFFFF#000000##FFFFFF
##370D331.0016.561.2716.56
#FFFFFF16.561.0021.001.00
#0000001.2721.001.0021.00
##FFFFFF16.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0B1B34
Deuteranopia (green-blind)
#192132
Tritanopia (blue-blind)
#3A111E
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #370d33;
/* rgb */ color: rgb(55, 13, 51);
/* oklch */ color: oklch(24.9% 0.085 331.8);
Tailwind
colors: {
  custom: {
    50: '#704f6b',
    500: '#370d33',
    950: '#000000',
  },
}
SCSS
$custom: #370d33;
$custom-light: #704f6b;
$custom-dark: #000000;
JSON
{
  "hex": "#370d33",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 51
  },
  "hsl": {
    "h": 305.714,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24859,
    "c": 0.08516,
    "h": 331.8
  },
  "luminance": 0.01339
}

Semantic roles & 50–950 ramp

primary
#370D33
secondary
#2D7234
accent
#E55243
background
#F6F4F6
surface
#ECE7EB
border
#C7C3C6
text
#070206
muted
#7A787A

Preview Lab

Preview with #370D33

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

Preview Lab → · Contrast checker → · Palette generator →

#370D33 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva