#381C99#381C99

#381C99 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.2% C 0.185 H 282.3°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#381C99
RGB	rgb(56, 28, 153)
HSL	hsl(253, 69%, 35%)
HSV	hsv(253, 82%, 60%)
CMYK	cmyk(63.4%, 81.7%, 0%, 40%)
CIE-LAB	lab(23.57, 46.65, -62.61)
CIE-LCH	lch(23.57, 78.08, 306.69°)
OKLab	oklab(36.22% 0.0394 -0.1806)
OKLCH	oklch(36.22% 0.185 282.3)
XYZ	xyz(7.7941, 3.9706, 30.4865)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C99 #7D991C

analogous

#1C3E99 #381C99 #761C99

triadic

#381C99 #99381C #1C9938

tetradic

#381C99 #991C3E #7D991C #1C9976

square

#381C99 #991C3E #7D991C #1C9976

split-complementary

#381C99 #99761C #3E991C

monochromatic

#120932 #251365 #381C99 #4B25CD #7050DF

Accessibility & contrast

On white

11.70

#381C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#381C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C99

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C99	#FFFFFF	#000000	##FFFFFF
##381C99	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9C

Deuteranopia (green-blind)

#003497

Tritanopia (blue-blind)

#00425B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #381c99;
/* rgb */ color: rgb(56, 28, 153);
/* oklch */ color: oklch(36.2% 0.185 282.3);

Tailwind

colors: {
  custom: {
    50: '#7c5db8',
    500: '#381c99',
    950: '#000000',
  },
}

SCSS

$custom: #381c99;
$custom-light: #7c5db8;
$custom-dark: #000000;

JSON

{
  "hex": "#381c99",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 153
  },
  "hsl": {
    "h": 253.44,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36224,
    "c": 0.18486,
    "h": 282.3
  },
  "luminance": 0.03971
}

Semantic roles & 50–950 ramp

primary

#381C99

secondary

#A8C24F

accent

#EC3CC4

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #381C99

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

Preview Lab → · Contrast checker → · Palette generator →