#381DAD#381DAD

#381DAD is a dark, highly saturated violet. Relative luminance 0.047; OKLCH L 38.5% C 0.207 H 279.0°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#381DAD
RGB	rgb(56, 29, 173)
HSL	hsl(251, 71%, 40%)
HSV	hsv(251, 83%, 68%)
CMYK	cmyk(67.6%, 83.2%, 0%, 32.2%)
CIE-LAB	lab(25.97, 52.04, -70.80)
CIE-LCH	lch(25.97, 87.87, 306.32°)
OKLab	oklab(38.54% 0.0324 -0.2044)
OKLCH	oklch(38.54% 0.207 279)
XYZ	xyz(9.6107, 4.7358, 39.9347)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381DAD #92AD1D

analogous

#1D4AAD #381DAD #801DAD

triadic

#381DAD #AD381D #1DAD38

tetradic

#381DAD #AD1D4A #92AD1D #1DAD80

square

#381DAD #AD1D4A #92AD1D #1DAD80

split-complementary

#381DAD #AD801D #4AAD1D

monochromatic

#160B44 #271479 #381DAD #4D2CDC #7960E4

Accessibility & contrast

On white

10.78

#381DAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#381DAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381DAD

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381DAD	#FFFFFF	#000000	##FFFFFF
##381DAD	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B1

Deuteranopia (green-blind)

#0038AB

Tritanopia (blue-blind)

#004B67

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #381dad;
/* rgb */ color: rgb(56, 29, 173);
/* oklch */ color: oklch(38.5% 0.207 279.0);

Tailwind

colors: {
  custom: {
    50: '#805fc7',
    500: '#381dad',
    950: '#000000',
  },
}

SCSS

$custom: #381dad;
$custom-light: #805fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#381dad",
  "rgb": {
    "r": 56,
    "g": 29,
    "b": 173
  },
  "hsl": {
    "h": 251.25,
    "s": 71.287,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38535,
    "c": 0.207,
    "h": 279
  },
  "luminance": 0.04737
}

Semantic roles & 50–950 ramp

primary

#381DAD

secondary

#B5C95D

accent

#EE3ACC

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #381DAD

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

Preview Lab → · Contrast checker → · Palette generator →