#381DA6#381DA6

#381DA6 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.8% C 0.199 H 280.0°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#381DA6
RGB	rgb(56, 29, 166)
HSL	hsl(252, 70%, 38%)
HSV	hsv(252, 83%, 65%)
CMYK	cmyk(66.3%, 82.5%, 0%, 34.9%)
CIE-LAB	lab(25.17, 50.01, -67.89)
CIE-LCH	lch(25.17, 84.32, 306.37°)
OKLab	oklab(37.76% 0.0347 -0.196)
OKLCH	oklch(37.76% 0.199 280)
XYZ	xyz(8.9510, 4.4719, 36.4605)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381DA6 #8BA61D

analogous

#1D46A6 #381DA6 #7C1DA6

triadic

#381DA6 #A6381D #1DA638

tetradic

#381DA6 #A61D46 #8BA61D #1DA67C

square

#381DA6 #A61D46 #8BA61D #1DA67C

split-complementary

#381DA6 #A67C1D #46A61D

monochromatic

#150B3E #261472 #381DA6 #4A27D9 #765BE2

Accessibility & contrast

On white

11.08

#381DA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#381DA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381DA6

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381DA6	#FFFFFF	#000000	##FFFFFF
##381DA6	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AA

Deuteranopia (green-blind)

#0036A4

Tritanopia (blue-blind)

#004863

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #381da6;
/* rgb */ color: rgb(56, 29, 166);
/* oklch */ color: oklch(37.8% 0.199 280.0);

Tailwind

colors: {
  custom: {
    50: '#7f5fc2',
    500: '#381da6',
    950: '#000000',
  },
}

SCSS

$custom: #381da6;
$custom-light: #7f5fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#381da6",
  "rgb": {
    "r": 56,
    "g": 29,
    "b": 166
  },
  "hsl": {
    "h": 251.825,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37756,
    "c": 0.19904,
    "h": 280
  },
  "luminance": 0.04473
}

Semantic roles & 50–950 ramp

primary

#381DA6

secondary

#B1C659

accent

#ED3BCA

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #381DA6

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

Preview Lab → · Contrast checker → · Palette generator →