#371B99#371B99

#371B99 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.0% C 0.186 H 281.9°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#371B99
RGB	rgb(55, 27, 153)
HSL	hsl(253, 70%, 35%)
HSV	hsv(253, 82%, 60%)
CMYK	cmyk(64.1%, 82.4%, 0%, 40%)
CIE-LAB	lab(23.32, 47.00, -63.03)
CIE-LCH	lch(23.32, 78.62, 306.71°)
OKLab	oklab(36.03% 0.0384 -0.1818)
OKLCH	oklch(36.03% 0.186 281.9)
XYZ	xyz(7.7154, 3.8954, 30.4761)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B99 #7D991B

analogous

#1B3E99 #371B99 #761B99

triadic

#371B99 #99371B #1B9937

tetradic

#371B99 #991B3E #7D991B #1B9976

square

#371B99 #991B3E #7D991B #1B9976

split-complementary

#371B99 #99761B #3E991B

monochromatic

#120931 #241265 #371B99 #4A24CD #6F4FE0

Accessibility & contrast

On white

11.80

#371B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#371B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B99

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B99	#FFFFFF	#000000	##FFFFFF
##371B99	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	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: #371b99;
/* rgb */ color: rgb(55, 27, 153);
/* oklch */ color: oklch(36.0% 0.186 281.9);

Tailwind

colors: {
  custom: {
    50: '#7c5db8',
    500: '#371b99',
    950: '#000000',
  },
}

SCSS

$custom: #371b99;
$custom-light: #7c5db8;
$custom-dark: #000000;

JSON

{
  "hex": "#371b99",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 153
  },
  "hsl": {
    "h": 253.333,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.36027,
    "c": 0.18585,
    "h": 281.9
  },
  "luminance": 0.03896
}

Semantic roles & 50–950 ramp

primary

#371B99

secondary

#A8C24E

accent

#ED3BC5

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #371B99

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

Preview Lab → · Contrast checker → · Palette generator →