#381CA1#381CA1

#381CA1 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 37.1% C 0.194 H 280.9°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#381CA1
RGB	rgb(56, 28, 161)
HSL	hsl(253, 70%, 37%)
HSV	hsv(253, 83%, 63%)
CMYK	cmyk(65.2%, 82.6%, 0%, 36.9%)
CIE-LAB	lab(24.46, 48.99, -66.04)
CIE-LCH	lch(24.46, 82.22, 306.57°)
OKLab	oklab(37.1% 0.0368 -0.1906)
OKLCH	oklch(37.1% 0.194 280.9)
XYZ	xyz(8.4771, 4.2438, 34.0837)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381CA1 #85A11C

analogous

#1C42A1 #381CA1 #7B1CA1

triadic

#381CA1 #A1381C #1CA138

tetradic

#381CA1 #A11C42 #85A11C #1CA17B

square

#381CA1 #A11C42 #85A11C #1CA17B

split-complementary

#381CA1 #A17B1C #42A11C

monochromatic

#140A39 #26136D #381CA1 #4A25D5 #7356E2

Accessibility & contrast

On white

11.36

#381CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#381CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381CA1

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381CA1	#FFFFFF	#000000	##FFFFFF
##381CA1	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA5

Deuteranopia (green-blind)

#00359F

Tritanopia (blue-blind)

#004560

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #381ca1;
/* rgb */ color: rgb(56, 28, 161);
/* oklch */ color: oklch(37.1% 0.194 280.9);

Tailwind

colors: {
  custom: {
    50: '#7e5ebe',
    500: '#381ca1',
    950: '#000000',
  },
}

SCSS

$custom: #381ca1;
$custom-light: #7e5ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#381ca1",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 252.632,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37099,
    "c": 0.1941,
    "h": 280.9
  },
  "luminance": 0.04244
}

Semantic roles & 50–950 ramp

primary

#381CA1

secondary

#ADC554

accent

#ED3BC8

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #381CA1

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

Preview Lab → · Contrast checker → · Palette generator →