#381F9A#381F9A

#381F9A is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.7% C 0.183 H 281.8°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#381F9A
RGB	rgb(56, 31, 154)
HSL	hsl(252, 66%, 36%)
HSV	hsv(252, 80%, 60%)
CMYK	cmyk(63.6%, 79.9%, 0%, 39.6%)
CIE-LAB	lab(24.17, 45.53, -62.24)
CIE-LCH	lch(24.17, 77.11, 306.19°)
OKLab	oklab(36.67% 0.0374 -0.1796)
OKLCH	oklch(36.67% 0.183 281.8)
XYZ	xyz(7.9518, 4.1532, 30.9482)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F9A #819A1F

analogous

#1F449A #381F9A #761F9A

triadic

#381F9A #9A381F #1F9A38

tetradic

#381F9A #9A1F44 #819A1F #1F9A76

square

#381F9A #9A1F44 #819A1F #1F9A76

split-complementary

#381F9A #9A761F #449A1F

monochromatic

#130A34 #251567 #381F9A #4B29CD #7256DD

Accessibility & contrast

On white

11.47

#381F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#381F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F9A

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F9A	#FFFFFF	#000000	##FFFFFF
##381F9A	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9D

Deuteranopia (green-blind)

#003598

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #381f9a;
/* rgb */ color: rgb(56, 31, 154);
/* oklch */ color: oklch(36.7% 0.183 281.8);

Tailwind

colors: {
  custom: {
    50: '#7c5fb9',
    500: '#381f9a',
    950: '#000000',
  },
}

SCSS

$custom: #381f9a;
$custom-light: #7c5fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#381f9a",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 154
  },
  "hsl": {
    "h": 252.195,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36671,
    "c": 0.18341,
    "h": 281.8
  },
  "luminance": 0.04154
}

Semantic roles & 50–950 ramp

primary

#381F9A

secondary

#ABC154

accent

#E93EC7

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #381F9A

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

Preview Lab → · Contrast checker → · Palette generator →