#371E9B#371E9B

#371E9B is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.6% C 0.186 H 281.2°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#371E9B
RGB	rgb(55, 30, 155)
HSL	hsl(252, 68%, 36%)
HSV	hsv(252, 81%, 61%)
CMYK	cmyk(64.5%, 80.6%, 0%, 39.2%)
CIE-LAB	lab(24.02, 46.20, -63.10)
CIE-LCH	lch(24.02, 78.21, 306.21°)
OKLab	oklab(36.58% 0.0361 -0.1821)
OKLCH	oklch(36.58% 0.186 281.2)
XYZ	xyz(7.9544, 4.1067, 31.3775)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371E9B #829B1E

analogous

#1E449B #371E9B #761E9B

triadic

#371E9B #9B371E #1E9B37

tetradic

#371E9B #9B1E44 #829B1E #1E9B76

square

#371E9B #9B1E44 #829B1E #1E9B76

split-complementary

#371E9B #9B761E #449B1E

monochromatic

#130A34 #251468 #371E9B #4928CE #7155DE

Accessibility & contrast

On white

11.53

#371E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#371E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371E9B

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371E9B	#FFFFFF	#000000	##FFFFFF
##371E9B	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9E

Deuteranopia (green-blind)

#003599

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #371e9b;
/* rgb */ color: rgb(55, 30, 155);
/* oklch */ color: oklch(36.6% 0.186 281.2);

Tailwind

colors: {
  custom: {
    50: '#7c5eba',
    500: '#371e9b',
    950: '#000000',
  },
}

SCSS

$custom: #371e9b;
$custom-light: #7c5eba;
$custom-dark: #000000;

JSON

{
  "hex": "#371e9b",
  "rgb": {
    "r": 55,
    "g": 30,
    "b": 155
  },
  "hsl": {
    "h": 252,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36576,
    "c": 0.18564,
    "h": 281.2
  },
  "luminance": 0.04107
}

Semantic roles & 50–950 ramp

primary

#371E9B

secondary

#ABC253

accent

#EA3DC8

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #371E9B

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

Preview Lab → · Contrast checker → · Palette generator →