#381DA1#381DA1

#381DA1 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.2% C 0.193 H 280.8°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#381DA1
RGB	rgb(56, 29, 161)
HSL	hsl(252, 69%, 37%)
HSV	hsv(252, 82%, 63%)
CMYK	cmyk(65.2%, 82%, 0%, 36.9%)
CIE-LAB	lab(24.61, 48.55, -65.78)
CIE-LCH	lch(24.61, 81.76, 306.43°)
OKLab	oklab(37.21% 0.0363 -0.1899)
OKLCH	oklch(37.21% 0.193 280.8)
XYZ	xyz(8.5012, 4.2920, 34.0918)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381DA1 #86A11D

analogous

#1D44A1 #381DA1 #7A1DA1

triadic

#381DA1 #A1381D #1DA138

tetradic

#381DA1 #A11D44 #86A11D #1DA17A

square

#381DA1 #A11D44 #86A11D #1DA17A

split-complementary

#381DA1 #A17A1D #44A11D

monochromatic

#140A39 #26146D #381DA1 #4A26D5 #7458E1

Accessibility & contrast

On white

11.30

#381DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#381DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381DA1

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381DA1	#FFFFFF	#000000	##FFFFFF
##381DA1	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA5

Deuteranopia (green-blind)

#00359F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #381da1;
/* rgb */ color: rgb(56, 29, 161);
/* oklch */ color: oklch(37.2% 0.193 280.8);

Tailwind

colors: {
  custom: {
    50: '#7e5ebe',
    500: '#381da1',
    950: '#000000',
  },
}

SCSS

$custom: #381da1;
$custom-light: #7e5ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#381da1",
  "rgb": {
    "r": 56,
    "g": 29,
    "b": 161
  },
  "hsl": {
    "h": 252.273,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37205,
    "c": 0.1933,
    "h": 280.8
  },
  "luminance": 0.04293
}

Semantic roles & 50–950 ramp

primary

#381DA1

secondary

#AEC455

accent

#EC3CC8

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #381DA1

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

Preview Lab → · Contrast checker → · Palette generator →