#381C7D#381C7D

#381C7D is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.3% C 0.151 H 288.5°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#381C7D
RGB	rgb(56, 28, 125)
HSL	hsl(257, 63%, 30%)
HSV	hsv(257, 78%, 49%)
CMYK	cmyk(55.2%, 77.6%, 0%, 51%)
CIE-LAB	lab(20.64, 38.31, -49.95)
CIE-LCH	lch(20.64, 62.95, 307.49°)
OKLab	oklab(33.3% 0.048 -0.1436)
OKLCH	oklch(33.3% 0.151 288.5)
XYZ	xyz(5.7467, 3.1516, 19.7036)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C7D #617D1C

analogous

#1C307D #381C7D #691C7D

triadic

#381C7D #7D381C #1C7D38

tetradic

#381C7D #7D1C30 #617D1C #1C7D69

square

#381C7D #7D1C30 #617D1C #1C7D69

split-complementary

#381C7D #7D691C #307D1C

monochromatic

#0B0619 #22114B #381C7D #4E27AF #6A3FD4

Accessibility & contrast

On white

12.88

#381C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#381C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C7D

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C7D	#FFFFFF	#000000	##FFFFFF
##381C7D	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003480

Deuteranopia (green-blind)

#002F7B

Tritanopia (blue-blind)

#1D374B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #381c7d;
/* rgb */ color: rgb(56, 28, 125);
/* oklch */ color: oklch(33.3% 0.151 288.5);

Tailwind

colors: {
  custom: {
    50: '#775ca4',
    500: '#381c7d',
    950: '#000000',
  },
}

SCSS

$custom: #381c7d;
$custom-light: #775ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#381c7d",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 125
  },
  "hsl": {
    "h": 257.32,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.333,
    "c": 0.15143,
    "h": 288.5
  },
  "luminance": 0.03152
}

Semantic roles & 50–950 ramp

primary

#381C7D

secondary

#91B144

accent

#E641B7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381C7D

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

Preview Lab → · Contrast checker → · Palette generator →