#371B82#371B82

#371B82 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.159 H 286.7°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#371B82
RGB	rgb(55, 27, 130)
HSL	hsl(256, 66%, 31%)
HSV	hsv(256, 79%, 51%)
CMYK	cmyk(57.7%, 79.2%, 0%, 49%)
CIE-LAB	lab(20.86, 40.17, -52.77)
CIE-LCH	lch(20.86, 66.32, 307.28°)
OKLab	oklab(33.58% 0.0457 -0.1519)
OKLCH	oklch(33.58% 0.159 286.7)
XYZ	xyz(5.9955, 3.2075, 21.4179)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B82 #66821B

analogous

#1B3282 #371B82 #6A1B82

triadic

#371B82 #82371B #1B8237

tetradic

#371B82 #821B32 #66821B #1B826A

square

#371B82 #821B32 #66821B #1B826A

split-complementary

#371B82 #826A1B #32821B

monochromatic

#0C061D #22104F #371B82 #4C26B5 #6940D7

Accessibility & contrast

On white

12.79

#371B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#371B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B82

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B82	#FFFFFF	#000000	##FFFFFF
##371B82	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003585

Deuteranopia (green-blind)

#002F80

Tritanopia (blue-blind)

#14384E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #371b82;
/* rgb */ color: rgb(55, 27, 130);
/* oklch */ color: oklch(33.6% 0.159 286.7);

Tailwind

colors: {
  custom: {
    50: '#775ba7',
    500: '#371b82',
    950: '#000000',
  },
}

SCSS

$custom: #371b82;
$custom-light: #775ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#371b82",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 130
  },
  "hsl": {
    "h": 256.311,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33578,
    "c": 0.15864,
    "h": 286.7
  },
  "luminance": 0.03208
}

Semantic roles & 50–950 ramp

primary

#371B82

secondary

#96B643

accent

#E93FBB

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #371B82

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

Preview Lab → · Contrast checker → · Palette generator →