#371C99#371C99

#371C99 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.1% C 0.185 H 281.8°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#371C99
RGB	rgb(55, 28, 153)
HSL	hsl(253, 69%, 35%)
HSV	hsv(253, 82%, 60%)
CMYK	cmyk(64.1%, 81.7%, 0%, 40%)
CIE-LAB	lab(23.48, 46.54, -62.77)
CIE-LCH	lch(23.48, 78.14, 306.56°)
OKLab	oklab(36.14% 0.0379 -0.1811)
OKLCH	oklch(36.14% 0.185 281.8)
XYZ	xyz(7.7388, 3.9421, 30.4839)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371C99 #7E991C

analogous

#1C3F99 #371C99 #751C99

triadic

#371C99 #99371C #1C9937

tetradic

#371C99 #991C3F #7E991C #1C9975

square

#371C99 #991C3F #7E991C #1C9975

split-complementary

#371C99 #99751C #3F991C

monochromatic

#120932 #241365 #371C99 #4A25CD #6F50DF

Accessibility & contrast

On white

11.74

#371C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#371C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371C99

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371C99	#FFFFFF	#000000	##FFFFFF
##371C99	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9C

Deuteranopia (green-blind)

#003397

Tritanopia (blue-blind)

#00425B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #371c99;
/* rgb */ color: rgb(55, 28, 153);
/* oklch */ color: oklch(36.1% 0.185 281.8);

Tailwind

colors: {
  custom: {
    50: '#7c5db8',
    500: '#371c99',
    950: '#000000',
  },
}

SCSS

$custom: #371c99;
$custom-light: #7c5db8;
$custom-dark: #000000;

JSON

{
  "hex": "#371c99",
  "rgb": {
    "r": 55,
    "g": 28,
    "b": 153
  },
  "hsl": {
    "h": 252.96,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36135,
    "c": 0.18501,
    "h": 281.8
  },
  "luminance": 0.03943
}

Semantic roles & 50–950 ramp

primary

#371C99

secondary

#A9C24F

accent

#EC3CC6

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #371C99

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

Preview Lab → · Contrast checker → · Palette generator →