#370D4B#370D4B

#370D4B is a dark, moderate purple. Relative luminance 0.016; OKLCH L 26.7% C 0.110 H 312.1°. Best body text is #FFFFFF at 15.89:1 contrast (WCAG AA passes).

Color values

HEX#370D4B
RGBrgb(55, 13, 75)
HSLhsl(281, 70%, 17%)
HSVhsv(281, 83%, 29%)
CMYKcmyk(26.7%, 82.7%, 0%, 70.6%)
CIE-LABlab(13.28, 31.62, -28.90)
CIE-LCHlch(13.28, 42.84, 317.57°)
OKLaboklab(26.65% 0.0739 -0.0817)
OKLCHoklch(26.65% 0.11 312.1)
XYZxyz(2.9892, 1.6082, 6.8082)
Luminance0.0161 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#370D4B #214B0D
analogous
#180D4B #370D4B #4B0D40
triadic
#370D4B #4B370D #0D4B37
tetradic
#370D4B #4B180D #214B0D #0D404B
square
#370D4B #4B180D #214B0D #0D404B
split-complementary
#370D4B #404B0D #0D4B18
monochromatic
#13051A #13051A #370D4B #5D167F #841FB3

Accessibility & contrast

On white

15.89
#370D4B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.32
#370D4B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D4B
15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##370D4B#FFFFFF#000000##FFFFFF
##370D4B1.0015.891.3215.89
#FFFFFF15.891.0021.001.00
#0000001.3221.001.0021.00
##FFFFFF15.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00204D
Deuteranopia (green-blind)
#05234A
Tritanopia (blue-blind)
#351B2B
Achromatopsia (no color)
#222222

Design tokens & code

CSS
--color: #370d4b;
/* rgb */ color: rgb(55, 13, 75);
/* oklch */ color: oklch(26.7% 0.110 312.1);
Tailwind
colors: {
  custom: {
    50: '#71517e',
    500: '#370d4b',
    950: '#000000',
  },
}
SCSS
$custom: #370d4b;
$custom-light: #71517e;
$custom-dark: #000000;
JSON
{
  "hex": "#370d4b",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 75
  },
  "hsl": {
    "h": 280.645,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.26654,
    "c": 0.11019,
    "h": 312.1
  },
  "luminance": 0.01608
}

Semantic roles & 50–950 ramp

primary
#370D4B
secondary
#4A862E
accent
#ED3B74
background
#F7F4F7
surface
#EDE7EE
border
#C8C3C9
text
#08020A
muted
#7B787C

Preview Lab

Preview with #370D4B

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

Preview Lab → · Contrast checker → · Palette generator →

#370D4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva