#371E99#371E99

#371E99 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.4% C 0.183 H 281.6°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#371E99
RGB	rgb(55, 30, 153)
HSL	hsl(252, 67%, 36%)
HSV	hsv(252, 80%, 60%)
CMYK	cmyk(64.1%, 80.4%, 0%, 40%)
CIE-LAB	lab(23.80, 45.60, -62.23)
CIE-LCH	lch(23.80, 77.15, 306.23°)
OKLab	oklab(36.36% 0.0367 -0.1796)
OKLCH	oklch(36.36% 0.183 281.6)
XYZ	xyz(7.7878, 4.0401, 30.5002)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371E99 #80991E

analogous

#1E4299 #371E99 #741E99

triadic

#371E99 #99371E #1E9937

tetradic

#371E99 #991E42 #80991E #1E9974

square

#371E99 #991E42 #80991E #1E9974

split-complementary

#371E99 #99741E #42991E

monochromatic

#120A33 #251466 #371E99 #4928CC #7054DD

Accessibility & contrast

On white

11.61

#371E99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#371E99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371E99

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371E99	#FFFFFF	#000000	##FFFFFF
##371E99	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9C

Deuteranopia (green-blind)

#003497

Tritanopia (blue-blind)

#00435C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #371e99;
/* rgb */ color: rgb(55, 30, 153);
/* oklch */ color: oklch(36.4% 0.183 281.6);

Tailwind

colors: {
  custom: {
    50: '#7c5eb8',
    500: '#371e99',
    950: '#000000',
  },
}

SCSS

$custom: #371e99;
$custom-light: #7c5eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#371e99",
  "rgb": {
    "r": 55,
    "g": 30,
    "b": 153
  },
  "hsl": {
    "h": 252.195,
    "s": 67.213,
    "l": 35.882
  },
  "oklch": {
    "l": 0.3636,
    "c": 0.18329,
    "h": 281.6
  },
  "luminance": 0.04041
}

Semantic roles & 50–950 ramp

primary

#371E99

secondary

#AAC152

accent

#EA3EC7

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #371E99

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

Preview Lab → · Contrast checker → · Palette generator →