#381EA1#381EA1

#381EA1 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.3% C 0.192 H 280.7°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#381EA1
RGB	rgb(56, 30, 161)
HSL	hsl(252, 69%, 37%)
HSV	hsv(252, 81%, 63%)
CMYK	cmyk(65.2%, 81.4%, 0%, 36.9%)
CIE-LAB	lab(24.77, 48.09, -65.53)
CIE-LCH	lch(24.77, 81.28, 306.27°)
OKLab	oklab(37.31% 0.0358 -0.1891)
OKLCH	oklch(37.31% 0.192 280.7)
XYZ	xyz(8.5261, 4.3418, 34.1001)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381EA1 #87A11E

analogous

#1E46A1 #381EA1 #791EA1

triadic

#381EA1 #A1381E #1EA138

tetradic

#381EA1 #A11E46 #87A11E #1EA179

square

#381EA1 #A11E46 #87A11E #1EA179

split-complementary

#381EA1 #A1791E #46A11E

monochromatic

#140B3A #26146D #381EA1 #4A28D5 #7459E0

Accessibility & contrast

On white

11.24

#381EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#381EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381EA1

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381EA1	#FFFFFF	#000000	##FFFFFF
##381EA1	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA5

Deuteranopia (green-blind)

#00369F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #381ea1;
/* rgb */ color: rgb(56, 30, 161);
/* oklch */ color: oklch(37.3% 0.192 280.7);

Tailwind

colors: {
  custom: {
    50: '#7e5fbe',
    500: '#381ea1',
    950: '#000000',
  },
}

SCSS

$custom: #381ea1;
$custom-light: #7e5fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#381ea1",
  "rgb": {
    "r": 56,
    "g": 30,
    "b": 161
  },
  "hsl": {
    "h": 251.908,
    "s": 68.586,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37313,
    "c": 0.19247,
    "h": 280.7
  },
  "luminance": 0.04343
}

Semantic roles & 50–950 ramp

primary

#381EA1

secondary

#AEC457

accent

#EB3CC9

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #381EA1

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

Preview Lab → · Contrast checker → · Palette generator →