#381B83#381B83

#381B83 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.8% C 0.160 H 287.1°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#381B83
RGB	rgb(56, 27, 131)
HSL	hsl(257, 66%, 31%)
HSV	hsv(257, 79%, 51%)
CMYK	cmyk(57.3%, 79.4%, 0%, 48.6%)
CIE-LAB	lab(21.07, 40.61, -53.05)
CIE-LCH	lch(21.07, 66.81, 307.44°)
OKLab	oklab(33.78% 0.047 -0.1527)
OKLCH	oklch(33.78% 0.16 287.1)
XYZ	xyz(6.1183, 3.2630, 21.7758)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B83 #66831B

analogous

#1B3283 #381B83 #6C1B83

triadic

#381B83 #83381B #1B8338

tetradic

#381B83 #831B32 #66831B #1B836C

square

#381B83 #831B32 #66831B #1B836C

split-complementary

#381B83 #836C1B #32831B

monochromatic

#0D061E #221150 #381B83 #4E25B6 #6B41D8

Accessibility & contrast

On white

12.71

#381B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#381B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B83

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B83	#FFFFFF	#000000	##FFFFFF
##381B83	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003586

Deuteranopia (green-blind)

#003081

Tritanopia (blue-blind)

#16394E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #381b83;
/* rgb */ color: rgb(56, 27, 131);
/* oklch */ color: oklch(33.8% 0.160 287.1);

Tailwind

colors: {
  custom: {
    50: '#785ba8',
    500: '#381b83',
    950: '#000000',
  },
}

SCSS

$custom: #381b83;
$custom-light: #785ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#381b83",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 131
  },
  "hsl": {
    "h": 256.731,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33782,
    "c": 0.15976,
    "h": 287.1
  },
  "luminance": 0.03263
}

Semantic roles & 50–950 ramp

primary

#381B83

secondary

#96B643

accent

#E93FB9

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #381B83

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

Preview Lab → · Contrast checker → · Palette generator →