#381C88#381C88

#381C88 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.4% C 0.165 H 285.8°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#381C88
RGB	rgb(56, 28, 136)
HSL	hsl(256, 66%, 32%)
HSV	hsv(256, 79%, 53%)
CMYK	cmyk(58.8%, 79.4%, 0%, 46.7%)
CIE-LAB	lab(21.76, 41.60, -55.06)
CIE-LCH	lch(21.76, 69.01, 307.08°)
OKLab	oklab(34.42% 0.0448 -0.1586)
OKLCH	oklch(34.42% 0.165 285.8)
XYZ	xyz(6.4887, 3.4485, 23.6115)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C88 #6C881C

analogous

#1C3688 #381C88 #6E1C88

triadic

#381C88 #88381C #1C8838

tetradic

#381C88 #881C36 #6C881C #1C886E

square

#381C88 #881C36 #6C881C #1C886E

split-complementary

#381C88 #886E1C #36881C

monochromatic

#0E0722 #231255 #381C88 #4D26BB #6C46D9

Accessibility & contrast

On white

12.43

#381C88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#381C88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C88

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C88	#FFFFFF	#000000	##FFFFFF
##381C88	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378B

Deuteranopia (green-blind)

#003186

Tritanopia (blue-blind)

#0F3B51

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #381c88;
/* rgb */ color: rgb(56, 28, 136);
/* oklch */ color: oklch(34.4% 0.165 285.8);

Tailwind

colors: {
  custom: {
    50: '#795cac',
    500: '#381c88',
    950: '#000000',
  },
}

SCSS

$custom: #381c88;
$custom-light: #795cac;
$custom-dark: #000000;

JSON

{
  "hex": "#381c88",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 136
  },
  "hsl": {
    "h": 255.556,
    "s": 65.854,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34419,
    "c": 0.16478,
    "h": 285.8
  },
  "luminance": 0.03449
}

Semantic roles & 50–950 ramp

primary

#381C88

secondary

#9CBA45

accent

#E93FBD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #381C88

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

Preview Lab → · Contrast checker → · Palette generator →