#371B83#371B83

#371B83 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.7% C 0.160 H 286.5°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#371B83
RGB	rgb(55, 27, 131)
HSL	hsl(256, 66%, 31%)
HSV	hsv(256, 79%, 51%)
CMYK	cmyk(58%, 79.4%, 0%, 48.6%)
CIE-LAB	lab(20.96, 40.47, -53.23)
CIE-LCH	lch(20.96, 66.87, 307.25°)
OKLab	oklab(33.68% 0.0454 -0.1533)
OKLCH	oklch(33.68% 0.16 286.5)
XYZ	xyz(6.0630, 3.2344, 21.7732)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B83 #67831B

analogous

#1B3383 #371B83 #6B1B83

triadic

#371B83 #83371B #1B8337

tetradic

#371B83 #831B33 #67831B #1B836B

square

#371B83 #831B33 #67831B #1B836B

split-complementary

#371B83 #836B1B #33831B

monochromatic

#0C061E #221150 #371B83 #4C25B6 #6941D8

Accessibility & contrast

On white

12.75

#371B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#371B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B83

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B83	#FFFFFF	#000000	##FFFFFF
##371B83	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003586

Deuteranopia (green-blind)

#002F81

Tritanopia (blue-blind)

#13394E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #371b83;
/* rgb */ color: rgb(55, 27, 131);
/* oklch */ color: oklch(33.7% 0.160 286.5);

Tailwind

colors: {
  custom: {
    50: '#785ba8',
    500: '#371b83',
    950: '#000000',
  },
}

SCSS

$custom: #371b83;
$custom-light: #785ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#371b83",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 131
  },
  "hsl": {
    "h": 256.154,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33681,
    "c": 0.15985,
    "h": 286.5
  },
  "luminance": 0.03235
}

Semantic roles & 50–950 ramp

primary

#371B83

secondary

#97B643

accent

#E93FBB

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #371B83

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

Preview Lab → · Contrast checker → · Palette generator →