#381663#381663

#381663 is a dark, vivid violet. Relative luminance 0.023; OKLCH L 30.0% C 0.127 H 298.5°. Best body text is #FFFFFF at 14.35:1 contrast (WCAG AA passes).

Color values

HEX	#381663
RGB	rgb(56, 22, 99)
HSL	hsl(266, 64%, 24%)
HSV	hsv(266, 78%, 39%)
CMYK	cmyk(43.4%, 77.8%, 0%, 61.2%)
CIE-LAB	lab(17.06, 33.83, -38.96)
CIE-LCH	lch(17.06, 51.60, 310.97°)
OKLab	oklab(30.02% 0.0605 -0.1114)
OKLCH	oklch(30.02% 0.127 298.5)
XYZ	xyz(4.1694, 2.3154, 12.0292)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.89

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381663 #416316

analogous

#161A63 #381663 #5E1663

triadic

#381663 #633816 #166338

tetradic

#381663 #63161A #416316 #16635E

square

#381663 #63161A #416316 #16635E

split-complementary

#381663 #635E16 #1A6316

monochromatic

#0E0619 #1C0B31 #381663 #542195 #712CC7

Accessibility & contrast

On white

14.35

#381663 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#381663 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381663

14.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381663	#FFFFFF	#000000	##FFFFFF
##381663	1.00	14.35	1.46	14.35
#FFFFFF	14.35	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A65

Deuteranopia (green-blind)

#002961

Tritanopia (blue-blind)

#2D2A3B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #381663;
/* rgb */ color: rgb(56, 22, 99);
/* oklch */ color: oklch(30.0% 0.127 298.5);

Tailwind

colors: {
  custom: {
    50: '#735790',
    500: '#381663',
    950: '#000000',
  },
}

SCSS

$custom: #381663;
$custom-light: #735790;
$custom-dark: #000000;

JSON

{
  "hex": "#381663",
  "rgb": {
    "r": 56,
    "g": 22,
    "b": 99
  },
  "hsl": {
    "h": 266.494,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.30016,
    "c": 0.12671,
    "h": 298.5
  },
  "luminance": 0.02315
}

Semantic roles & 50–950 ramp

primary

#381663

secondary

#709A3B

accent

#E7419E

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08030D

muted

#7B787D

Preview Lab

Preview with #381663

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

Preview Lab → · Contrast checker → · Palette generator →