#381C7B#381C7B

#381C7B is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.1% C 0.149 H 289.0°. Best body text is #FFFFFF at 12.96:1 contrast (WCAG AA passes).

Color values

HEX	#381C7B
RGB	rgb(56, 28, 123)
HSL	hsl(258, 63%, 30%)
HSV	hsv(258, 77%, 48%)
CMYK	cmyk(54.5%, 77.2%, 0%, 51.8%)
CIE-LAB	lab(20.44, 37.71, -49.00)
CIE-LCH	lch(20.44, 61.83, 307.58°)
OKLab	oklab(33.1% 0.0485 -0.1408)
OKLCH	oklch(33.1% 0.149 289)
XYZ	xyz(5.6202, 3.1011, 19.0375)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C7B #5F7B1C

analogous

#1C307B #381C7B #681C7B

triadic

#381C7B #7B381C #1C7B38

tetradic

#381C7B #7B1C30 #5F7B1C #1C7B68

square

#381C7B #7B1C30 #5F7B1C #1C7B68

split-complementary

#381C7B #7B681C #307B1C

monochromatic

#0B0619 #211149 #381C7B #4F27AD #6A3ED3

Accessibility & contrast

On white

12.96

#381C7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#381C7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C7B

12.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C7B	#FFFFFF	#000000	##FFFFFF
##381C7B	1.00	12.96	1.62	12.96
#FFFFFF	12.96	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#002F79

Tritanopia (blue-blind)

#1F364A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #381c7b;
/* rgb */ color: rgb(56, 28, 123);
/* oklch */ color: oklch(33.1% 0.149 289.0);

Tailwind

colors: {
  custom: {
    50: '#775ba2',
    500: '#381c7b',
    950: '#000000',
  },
}

SCSS

$custom: #381c7b;
$custom-light: #775ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#381c7b",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 123
  },
  "hsl": {
    "h": 257.684,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.33101,
    "c": 0.14897,
    "h": 289
  },
  "luminance": 0.03101
}

Semantic roles & 50–950 ramp

primary

#381C7B

secondary

#8FAF44

accent

#E642B6

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381C7B

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

Preview Lab → · Contrast checker → · Palette generator →