#381D7E#381D7E

#381D7E is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.152 H 288.0°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#381D7E
RGB	rgb(56, 29, 126)
HSL	hsl(257, 63%, 30%)
HSV	hsv(257, 77%, 49%)
CMYK	cmyk(55.6%, 77%, 0%, 50.6%)
CIE-LAB	lab(20.93, 38.08, -50.12)
CIE-LCH	lch(20.93, 62.95, 307.23°)
OKLab	oklab(33.53% 0.0469 -0.1441)
OKLCH	oklch(33.53% 0.152 288)
XYZ	xyz(5.8350, 3.2255, 20.0498)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381D7E #637E1D

analogous

#1D327E #381D7E #681D7E

triadic

#381D7E #7E381D #1D7E38

tetradic

#381D7E #7E1D32 #637E1D #1D7E68

square

#381D7E #7E1D32 #637E1D #1D7E68

split-complementary

#381D7E #7E681D #327E1D

monochromatic

#0C061B #22124C #381D7E #4E28B0 #6A42D3

Accessibility & contrast

On white

12.76

#381D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#381D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381D7E

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381D7E	#FFFFFF	#000000	##FFFFFF
##381D7E	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#00307C

Tritanopia (blue-blind)

#1C384C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #381d7e;
/* rgb */ color: rgb(56, 29, 126);
/* oklch */ color: oklch(33.5% 0.152 288.0);

Tailwind

colors: {
  custom: {
    50: '#775ca4',
    500: '#381d7e',
    950: '#000000',
  },
}

SCSS

$custom: #381d7e;
$custom-light: #775ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#381d7e",
  "rgb": {
    "r": 56,
    "g": 29,
    "b": 126
  },
  "hsl": {
    "h": 256.701,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.3353,
    "c": 0.15156,
    "h": 288
  },
  "luminance": 0.03226
}

Semantic roles & 50–950 ramp

primary

#381D7E

secondary

#93B145

accent

#E642B8

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381D7E

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

Preview Lab → · Contrast checker → · Palette generator →