#381C8B#381C8B

#381C8B is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.7% C 0.168 H 285.1°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#381C8B
RGB	rgb(56, 28, 139)
HSL	hsl(255, 66%, 33%)
HSV	hsv(255, 80%, 55%)
CMYK	cmyk(59.7%, 79.9%, 0%, 45.5%)
CIE-LAB	lab(22.07, 42.50, -56.42)
CIE-LCH	lch(22.07, 70.64, 306.99°)
OKLab	oklab(34.73% 0.0439 -0.1625)
OKLCH	oklch(34.73% 0.168 285.1)
XYZ	xyz(6.7049, 3.5349, 24.7501)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C8B #6F8B1C

analogous

#1C388B #381C8B #6F1C8B

triadic

#381C8B #8B381C #1C8B38

tetradic

#381C8B #8B1C38 #6F8B1C #1C8B6F

square

#381C8B #8B1C38 #6F8B1C #1C8B6F

split-complementary

#381C8B #8B6F1C #388B1C

monochromatic

#0F0725 #231258 #381C8B #4D26BE #6C47DA

Accessibility & contrast

On white

12.30

#381C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#381C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C8B

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C8B	#FFFFFF	#000000	##FFFFFF
##381C8B	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388E

Deuteranopia (green-blind)

#003189

Tritanopia (blue-blind)

#093C53

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #381c8b;
/* rgb */ color: rgb(56, 28, 139);
/* oklch */ color: oklch(34.7% 0.168 285.1);

Tailwind

colors: {
  custom: {
    50: '#795cae',
    500: '#381c8b',
    950: '#000000',
  },
}

SCSS

$custom: #381c8b;
$custom-light: #795cae;
$custom-dark: #000000;

JSON

{
  "hex": "#381c8b",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 139
  },
  "hsl": {
    "h": 255.135,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34732,
    "c": 0.16836,
    "h": 285.1
  },
  "luminance": 0.03535
}

Semantic roles & 50–950 ramp

primary

#381C8B

secondary

#9EBC47

accent

#E93EBE

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #381C8B

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

Preview Lab → · Contrast checker → · Palette generator →