#370B43#370B43

#370B43 is a dark, moderate purple. Relative luminance 0.015; OKLCH L 25.8% C 0.104 H 317.9°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX#370B43
RGBrgb(55, 11, 67)
HSLhsl(287, 72%, 15%)
HSVhsv(287, 84%, 26%)
CMYKcmyk(17.9%, 83.6%, 0%, 73.7%)
CIE-LABlab(12.33, 30.60, -24.85)
CIE-LCHlch(12.33, 39.42, 320.92°)
OKLaboklab(25.78% 0.0774 -0.0698)
OKLCHoklch(25.78% 0.104 317.9)
XYZxyz(2.7082, 1.4569, 5.4477)
Luminance0.0146 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#370B43 #17430B
analogous
#1B0B43 #370B43 #430B33
triadic
#370B43 #43370B #0B4337
tetradic
#370B43 #431B0B #17430B #0B3343
square
#370B43 #431B0B #17430B #0B3343
split-complementary
#370B43 #33430B #0B431B
monochromatic
#16041A #16041A #370B43 #621478 #8D1CAC

Accessibility & contrast

On white

16.26
#370B43 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.29
#370B43 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B43
16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##370B43#FFFFFF#000000##FFFFFF
##370B431.0016.261.2916.26
#FFFFFF16.261.0021.001.00
#0000001.2921.001.0021.00
##FFFFFF16.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001D45
Deuteranopia (green-blind)
#0D2242
Tritanopia (blue-blind)
#371726
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #370b43;
/* rgb */ color: rgb(55, 11, 67);
/* oklch */ color: oklch(25.8% 0.104 317.9);
Tailwind
colors: {
  custom: {
    50: '#704f77',
    500: '#370b43',
    950: '#000000',
  },
}
SCSS
$custom: #370b43;
$custom-light: #704f77;
$custom-dark: #000000;
JSON
{
  "hex": "#370b43",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 67
  },
  "hsl": {
    "h": 287.143,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25778,
    "c": 0.10424,
    "h": 317.9
  },
  "luminance": 0.01457
}

Semantic roles & 50–950 ramp

primary
#370B43
secondary
#3D802A
accent
#EF3960
background
#F6F4F7
surface
#ECE7ED
border
#C7C3C8
text
#080209
muted
#7B787B

Preview Lab

Preview with #370B43

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

Preview Lab → · Contrast checker → · Palette generator →

#370B43 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva