#370A33#370A33

#370A33 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.5% C 0.090 H 331.8°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX#370A33
RGBrgb(55, 10, 51)
HSLhsl(305, 69%, 13%)
HSVhsv(305, 82%, 22%)
CMYKcmyk(0%, 81.8%, 7.3%, 78.4%)
CIE-LABlab(11.05, 27.63, -15.43)
CIE-LCHlch(11.05, 31.64, 330.81°)
OKLaboklab(24.5% 0.0791 -0.0424)
OKLCHoklch(24.5% 0.09 331.8)
XYZxyz(2.2816, 1.2685, 3.2560)
Luminance0.0127 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#370A33 #0A370E
analogous
#240A37 #370A33 #370A1D
triadic
#370A33 #33370A #0A3337
tetradic
#370A33 #37240A #0A370E #0A1D37
square
#370A33 #37240A #0A370E #0A1D37
split-complementary
#370A33 #1D370A #0A3724
monochromatic
#1A0518 #1A0518 #370A33 #6B1363 #9F1D93

Accessibility & contrast

On white

16.75
#370A33 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.25
#370A33 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370A33
16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##370A33#FFFFFF#000000##FFFFFF
##370A331.0016.751.2516.75
#FFFFFF16.751.0021.001.00
#0000001.2521.001.0021.00
##FFFFFF16.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#071A34
Deuteranopia (green-blind)
#182032
Tritanopia (blue-blind)
#3A0F1D
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #370a33;
/* rgb */ color: rgb(55, 10, 51);
/* oklch */ color: oklch(24.5% 0.090 331.8);
Tailwind
colors: {
  custom: {
    50: '#704e6b',
    500: '#370a33',
    950: '#000000',
  },
}
SCSS
$custom: #370a33;
$custom-light: #704e6b;
$custom-dark: #000000;
JSON
{
  "hex": "#370a33",
  "rgb": {
    "r": 55,
    "g": 10,
    "b": 51
  },
  "hsl": {
    "h": 305.333,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.24502,
    "c": 0.08975,
    "h": 331.8
  },
  "luminance": 0.01268
}

Semantic roles & 50–950 ramp

primary
#370A33
secondary
#28742F
accent
#EC4B3C
background
#F6F4F6
surface
#ECE7EB
border
#C7C3C6
text
#080206
muted
#7B787A

Preview Lab

Preview with #370A33

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

Preview Lab → · Contrast checker → · Palette generator →

#370A33 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva