#381B89#381B89

#381B89 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.4% C 0.167 H 285.7°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#381B89
RGB	rgb(56, 27, 137)
HSL	hsl(256, 67%, 32%)
HSV	hsv(256, 80%, 54%)
CMYK	cmyk(59.1%, 80.3%, 0%, 46.3%)
CIE-LAB	lab(21.69, 42.39, -55.79)
CIE-LCH	lch(21.69, 70.07, 307.23°)
OKLab	oklab(34.41% 0.0452 -0.1607)
OKLCH	oklch(34.41% 0.167 285.7)
XYZ	xyz(6.5368, 3.4304, 23.9797)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B89 #6C891B

analogous

#1B3589 #381B89 #6F1B89

triadic

#381B89 #89381B #1B8938

tetradic

#381B89 #891B35 #6C891B #1B896F

square

#381B89 #891B35 #6C891B #1B896F

split-complementary

#381B89 #896F1B #35891B

monochromatic

#0E0723 #231156 #381B89 #4D25BC #6C44DA

Accessibility & contrast

On white

12.45

#381B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#381B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B89

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B89	#FFFFFF	#000000	##FFFFFF
##381B89	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378C

Deuteranopia (green-blind)

#003187

Tritanopia (blue-blind)

#0D3B52

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #381b89;
/* rgb */ color: rgb(56, 27, 137);
/* oklch */ color: oklch(34.4% 0.167 285.7);

Tailwind

colors: {
  custom: {
    50: '#795cad',
    500: '#381b89',
    950: '#000000',
  },
}

SCSS

$custom: #381b89;
$custom-light: #795cad;
$custom-dark: #000000;

JSON

{
  "hex": "#381b89",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 137
  },
  "hsl": {
    "h": 255.818,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34405,
    "c": 0.16693,
    "h": 285.7
  },
  "luminance": 0.03431
}

Semantic roles & 50–950 ramp

primary

#381B89

secondary

#9CBC44

accent

#EA3EBD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #381B89

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

Preview Lab → · Contrast checker → · Palette generator →