#381D99#381D99

#381D99 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.3% C 0.184 H 282.2°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#381D99
RGB	rgb(56, 29, 153)
HSL	hsl(253, 68%, 36%)
HSV	hsv(253, 81%, 60%)
CMYK	cmyk(63.4%, 81%, 0%, 40%)
CIE-LAB	lab(23.73, 46.19, -62.35)
CIE-LCH	lch(23.73, 77.59, 306.53°)
OKLab	oklab(36.34% 0.0388 -0.1798)
OKLCH	oklch(36.34% 0.184 282.2)
XYZ	xyz(7.8182, 4.0188, 30.4945)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381D99 #7E991D

analogous

#1D4099 #381D99 #761D99

triadic

#381D99 #99381D #1D9938

tetradic

#381D99 #991D40 #7E991D #1D9976

square

#381D99 #991D40 #7E991D #1D9976

split-complementary

#381D99 #99761D #40991D

monochromatic

#120932 #251366 #381D99 #4B27CC #7152DE

Accessibility & contrast

On white

11.64

#381D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#381D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381D99

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381D99	#FFFFFF	#000000	##FFFFFF
##381D99	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9C

Deuteranopia (green-blind)

#003497

Tritanopia (blue-blind)

#00435B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #381d99;
/* rgb */ color: rgb(56, 29, 153);
/* oklch */ color: oklch(36.3% 0.184 282.2);

Tailwind

colors: {
  custom: {
    50: '#7c5eb8',
    500: '#381d99',
    950: '#000000',
  },
}

SCSS

$custom: #381d99;
$custom-light: #7c5eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#381d99",
  "rgb": {
    "r": 56,
    "g": 29,
    "b": 153
  },
  "hsl": {
    "h": 253.065,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36335,
    "c": 0.184,
    "h": 282.2
  },
  "luminance": 0.04019
}

Semantic roles & 50–950 ramp

primary

#381D99

secondary

#A9C151

accent

#EB3DC5

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #381D99

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

Preview Lab → · Contrast checker → · Palette generator →