#381F9C#381F9C

#381F9C is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.9% C 0.186 H 281.4°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#381F9C
RGB	rgb(56, 31, 156)
HSL	hsl(252, 67%, 37%)
HSV	hsv(252, 80%, 61%)
CMYK	cmyk(64.1%, 80.1%, 0%, 38.8%)
CIE-LAB	lab(24.39, 46.13, -63.11)
CIE-LCH	lch(24.39, 78.17, 306.16°)
OKLab	oklab(36.89% 0.0368 -0.1821)
OKLCH	oklch(36.89% 0.186 281.4)
XYZ	xyz(8.1197, 4.2204, 31.8328)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F9C #839C1F

analogous

#1F459C #381F9C #771F9C

triadic

#381F9C #9C381F #1F9C38

tetradic

#381F9C #9C1F45 #839C1F #1F9C77

square

#381F9C #9C1F45 #839C1F #1F9C77

split-complementary

#381F9C #9C771F #459C1F

monochromatic

#130B36 #261569 #381F9C #4A29CF #7258DE

Accessibility & contrast

On white

11.39

#381F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#381F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F9C

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F9C	#FFFFFF	#000000	##FFFFFF
##381F9C	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9F

Deuteranopia (green-blind)

#00359A

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #381f9c;
/* rgb */ color: rgb(56, 31, 156);
/* oklch */ color: oklch(36.9% 0.186 281.4);

Tailwind

colors: {
  custom: {
    50: '#7d5fba',
    500: '#381f9c',
    950: '#000000',
  },
}

SCSS

$custom: #381f9c;
$custom-light: #7d5fba;
$custom-dark: #000000;

JSON

{
  "hex": "#381f9c",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 156
  },
  "hsl": {
    "h": 252,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36885,
    "c": 0.18577,
    "h": 281.4
  },
  "luminance": 0.04221
}

Semantic roles & 50–950 ramp

primary

#381F9C

secondary

#ACC155

accent

#EA3EC7

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #381F9C

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

Preview Lab → · Contrast checker → · Palette generator →