#371D99#371D99

#371D99 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.2% C 0.184 H 281.7°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX#371D99
RGBrgb(55, 29, 153)
HSLhsl(253, 68%, 36%)
HSVhsv(253, 81%, 60%)
CMYKcmyk(64.1%, 81%, 0%, 40%)
CIE-LABlab(23.64, 46.08, -62.51)
CIE-LCHlch(23.64, 77.65, 306.40°)
OKLaboklab(36.25% 0.0373 -0.1803)
OKLCHoklch(36.25% 0.184 281.7)
XYZxyz(7.7629, 3.9903, 30.4919)
Luminance0.0399 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#371D99 #7F991D
analogous
#1D4199 #371D99 #751D99
triadic
#371D99 #99371D #1D9937
tetradic
#371D99 #991D41 #7F991D #1D9975
square
#371D99 #991D41 #7F991D #1D9975
split-complementary
#371D99 #99751D #41991D
monochromatic
#120932 #251366 #371D99 #4927CC #7052DE

Accessibility & contrast

On white

11.68
#371D99 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.80
#371D99 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371D99
11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##371D99#FFFFFF#000000##FFFFFF
##371D991.0011.681.8011.68
#FFFFFF11.681.0021.001.00
#0000001.8021.001.0021.00
##FFFFFF11.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003C9C
Deuteranopia (green-blind)
#003497
Tritanopia (blue-blind)
#00435B
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #371d99;
/* rgb */ color: rgb(55, 29, 153);
/* oklch */ color: oklch(36.2% 0.184 281.7);
Tailwind
colors: {
  custom: {
    50: '#7c5eb8',
    500: '#371d99',
    950: '#000000',
  },
}
SCSS
$custom: #371d99;
$custom-light: #7c5eb8;
$custom-dark: #000000;
JSON
{
  "hex": "#371d99",
  "rgb": {
    "r": 55,
    "g": 29,
    "b": 153
  },
  "hsl": {
    "h": 252.581,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36246,
    "c": 0.18416,
    "h": 281.7
  },
  "luminance": 0.03991
}

Semantic roles & 50–950 ramp

primary
#371D99
secondary
#AAC151
accent
#EB3DC6
background
#F8F5FB
surface
#EFE9F6
border
#CAC5D0
text
#0B0512
muted
#7C7981

Preview Lab

Preview with #371D99

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

Preview Lab → · Contrast checker → · Palette generator →

#371D99 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva