#381DA8#381DA8

#381DA8 is a dark, highly saturated violet. Relative luminance 0.045; OKLCH L 38.0% C 0.201 H 279.7°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#381DA8
RGB	rgb(56, 29, 168)
HSL	hsl(252, 71%, 39%)
HSV	hsv(252, 83%, 66%)
CMYK	cmyk(66.7%, 82.7%, 0%, 34.1%)
CIE-LAB	lab(25.40, 50.59, -68.73)
CIE-LCH	lch(25.40, 85.34, 306.36°)
OKLab	oklab(37.98% 0.034 -0.1984)
OKLCH	oklch(37.98% 0.201 279.7)
XYZ	xyz(9.1359, 4.5459, 37.4342)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381DA8 #8DA81D

analogous

#1D47A8 #381DA8 #7D1DA8

triadic

#381DA8 #A8381D #1DA838

tetradic

#381DA8 #A81D47 #8DA81D #1DA87D

square

#381DA8 #A81D47 #8DA81D #1DA87D

split-complementary

#381DA8 #A87D1D #47A81D

monochromatic

#150B40 #271474 #381DA8 #4B28DA #775CE3

Accessibility & contrast

On white

11.00

#381DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#381DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381DA8

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381DA8	#FFFFFF	#000000	##FFFFFF
##381DA8	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AC

Deuteranopia (green-blind)

#0037A6

Tritanopia (blue-blind)

#004964

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #381da8;
/* rgb */ color: rgb(56, 29, 168);
/* oklch */ color: oklch(38.0% 0.201 279.7);

Tailwind

colors: {
  custom: {
    50: '#7f5fc3',
    500: '#381da8',
    950: '#000000',
  },
}

SCSS

$custom: #381da8;
$custom-light: #7f5fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#381da8",
  "rgb": {
    "r": 56,
    "g": 29,
    "b": 168
  },
  "hsl": {
    "h": 251.655,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37977,
    "c": 0.20133,
    "h": 279.7
  },
  "luminance": 0.04547
}

Semantic roles & 50–950 ramp

primary

#381DA8

secondary

#B2C75A

accent

#ED3ACB

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #381DA8

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

Preview Lab → · Contrast checker → · Palette generator →