#371C9B#371C9B

#371C9B is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.4% C 0.187 H 281.5°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#371C9B
RGB	rgb(55, 28, 155)
HSL	hsl(253, 69%, 36%)
HSV	hsv(253, 82%, 61%)
CMYK	cmyk(64.5%, 81.9%, 0%, 39.2%)
CIE-LAB	lab(23.70, 47.13, -63.63)
CIE-LCH	lch(23.70, 79.19, 306.53°)
OKLab	oklab(36.35% 0.0372 -0.1836)
OKLCH	oklch(36.35% 0.187 281.5)
XYZ	xyz(7.9053, 4.0087, 31.3612)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371C9B #809B1C

analogous

#1C409B #371C9B #761C9B

triadic

#371C9B #9B371C #1C9B37

tetradic

#371C9B #9B1C40 #809B1C #1C9B76

square

#371C9B #9B1C40 #809B1C #1C9B76

split-complementary

#371C9B #9B761C #409B1C

monochromatic

#120933 #251367 #371C9B #4925CF #7052E0

Accessibility & contrast

On white

11.66

#371C9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#371C9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371C9B

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371C9B	#FFFFFF	#000000	##FFFFFF
##371C9B	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9E

Deuteranopia (green-blind)

#003499

Tritanopia (blue-blind)

#00435C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #371c9b;
/* rgb */ color: rgb(55, 28, 155);
/* oklch */ color: oklch(36.4% 0.187 281.5);

Tailwind

colors: {
  custom: {
    50: '#7c5dba',
    500: '#371c9b',
    950: '#000000',
  },
}

SCSS

$custom: #371c9b;
$custom-light: #7c5dba;
$custom-dark: #000000;

JSON

{
  "hex": "#371c9b",
  "rgb": {
    "r": 55,
    "g": 28,
    "b": 155
  },
  "hsl": {
    "h": 252.756,
    "s": 69.399,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36354,
    "c": 0.18734,
    "h": 281.5
  },
  "luminance": 0.04009
}

Semantic roles & 50–950 ramp

primary

#371C9B

secondary

#AAC350

accent

#EC3CC7

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #371C9B

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

Preview Lab → · Contrast checker → · Palette generator →