#381C9D#381C9D

#381C9D is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.7% C 0.189 H 281.6°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#381C9D
RGB	rgb(56, 28, 157)
HSL	hsl(253, 70%, 36%)
HSV	hsv(253, 82%, 62%)
CMYK	cmyk(64.3%, 82.2%, 0%, 38.4%)
CIE-LAB	lab(24.02, 47.82, -64.33)
CIE-LCH	lch(24.02, 80.16, 306.63°)
OKLab	oklab(36.66% 0.0381 -0.1856)
OKLCH	oklch(36.66% 0.189 281.6)
XYZ	xyz(8.1300, 4.1050, 32.2557)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C9D #819D1C

analogous

#1C419D #381C9D #791C9D

triadic

#381C9D #9D381C #1C9D38

tetradic

#381C9D #9D1C41 #819D1C #1C9D79

square

#381C9D #9D1C41 #819D1C #1C9D79

split-complementary

#381C9D #9D791C #419D1C

monochromatic

#130935 #251369 #381C9D #4B25D1 #7253E0

Accessibility & contrast

On white

11.53

#381C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#381C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C9D

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C9D	#FFFFFF	#000000	##FFFFFF
##381C9D	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA1

Deuteranopia (green-blind)

#00349B

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #381c9d;
/* rgb */ color: rgb(56, 28, 157);
/* oklch */ color: oklch(36.7% 0.189 281.6);

Tailwind

colors: {
  custom: {
    50: '#7d5ebb',
    500: '#381c9d',
    950: '#000000',
  },
}

SCSS

$custom: #381c9d;
$custom-light: #7d5ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#381c9d",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 157
  },
  "hsl": {
    "h": 253.023,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.3666,
    "c": 0.18949,
    "h": 281.6
  },
  "luminance": 0.04106
}

Semantic roles & 50–950 ramp

primary

#381C9D

secondary

#ABC351

accent

#ED3BC6

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #381C9D

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

Preview Lab → · Contrast checker → · Palette generator →