#381CA7#381CA7

#381CA7 is a dark, highly saturated violet. Relative luminance 0.045; OKLCH L 37.8% C 0.201 H 280.0°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#381CA7
RGB	rgb(56, 28, 167)
HSL	hsl(252, 71%, 38%)
HSV	hsv(252, 83%, 65%)
CMYK	cmyk(66.5%, 83.2%, 0%, 34.5%)
CIE-LAB	lab(25.14, 50.73, -68.56)
CIE-LCH	lch(25.14, 85.29, 306.50°)
OKLab	oklab(37.77% 0.0348 -0.1979)
OKLCH	oklch(37.77% 0.201 280)
XYZ	xyz(9.0190, 4.4605, 36.9374)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381CA7 #8BA71C

analogous

#1C46A7 #381CA7 #7D1CA7

triadic

#381CA7 #A7381C #1CA738

tetradic

#381CA7 #A71C46 #8BA71C #1CA77D

square

#381CA7 #A71C46 #8BA71C #1CA77D

split-complementary

#381CA7 #A77D1C #46A71C

monochromatic

#150A3E #261373 #381CA7 #4A26DB #765AE3

Accessibility & contrast

On white

11.10

#381CA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#381CA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381CA7

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381CA7	#FFFFFF	#000000	##FFFFFF
##381CA7	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AB

Deuteranopia (green-blind)

#0036A5

Tritanopia (blue-blind)

#004863

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #381ca7;
/* rgb */ color: rgb(56, 28, 167);
/* oklch */ color: oklch(37.8% 0.201 280.0);

Tailwind

colors: {
  custom: {
    50: '#7f5ec3',
    500: '#381ca7',
    950: '#000000',
  },
}

SCSS

$custom: #381ca7;
$custom-light: #7f5ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#381ca7",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 167
  },
  "hsl": {
    "h": 252.086,
    "s": 71.282,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37765,
    "c": 0.20095,
    "h": 280
  },
  "luminance": 0.04461
}

Semantic roles & 50–950 ramp

primary

#381CA7

secondary

#B1C758

accent

#EE3ACA

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #381CA7

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

Preview Lab → · Contrast checker → · Palette generator →