#381F7C#381F7C

#381F7C is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.6% C 0.147 H 288.1°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#381F7C
RGB	rgb(56, 31, 124)
HSL	hsl(256, 60%, 30%)
HSV	hsv(256, 75%, 49%)
CMYK	cmyk(54.8%, 75%, 0%, 51.4%)
CIE-LAB	lab(21.12, 36.39, -48.54)
CIE-LCH	lch(21.12, 60.66, 306.86°)
OKLab	oklab(33.61% 0.0456 -0.1395)
OKLCH	oklch(33.61% 0.147 288.1)
XYZ	xyz(5.7579, 3.2757, 19.3937)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F7C #637C1F

analogous

#1F347C #381F7C #661F7C

triadic

#381F7C #7C381F #1F7C38

tetradic

#381F7C #7C1F34 #637C1F #1F7C66

square

#381F7C #7C1F34 #637C1F #1F7C66

split-complementary

#381F7C #7C661F #347C1F

monochromatic

#0C071A #22134B #381F7C #4E2BAD #6A45D0

Accessibility & contrast

On white

12.69

#381F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#381F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F7C

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F7C	#FFFFFF	#000000	##FFFFFF
##381F7C	1.00	12.69	1.66	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357F

Deuteranopia (green-blind)

#00307A

Tritanopia (blue-blind)

#1D384B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #381f7c;
/* rgb */ color: rgb(56, 31, 124);
/* oklch */ color: oklch(33.6% 0.147 288.1);

Tailwind

colors: {
  custom: {
    50: '#775da3',
    500: '#381f7c',
    950: '#000000',
  },
}

SCSS

$custom: #381f7c;
$custom-light: #775da3;
$custom-dark: #000000;

JSON

{
  "hex": "#381f7c",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 124
  },
  "hsl": {
    "h": 256.129,
    "s": 60,
    "l": 30.392
  },
  "oklch": {
    "l": 0.33605,
    "c": 0.14678,
    "h": 288.1
  },
  "luminance": 0.03276
}

Semantic roles & 50–950 ramp

primary

#381F7C

secondary

#93AF48

accent

#E345B9

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381F7C

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

Preview Lab → · Contrast checker → · Palette generator →