#381C79#381C79

#381C79 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 32.9% C 0.146 H 289.6°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#381C79
RGB	rgb(56, 28, 121)
HSL	hsl(258, 62%, 29%)
HSV	hsv(258, 77%, 47%)
CMYK	cmyk(53.7%, 76.9%, 0%, 52.5%)
CIE-LAB	lab(20.25, 37.11, -48.04)
CIE-LCH	lch(20.25, 60.70, 307.68°)
OKLab	oklab(32.9% 0.0491 -0.138)
OKLCH	oklch(32.9% 0.147 289.6)
XYZ	xyz(5.4963, 3.0515, 18.3848)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C79 #5D791C

analogous

#1C2E79 #381C79 #671C79

triadic

#381C79 #79381C #1C7938

tetradic

#381C79 #791C2E #5D791C #1C7967

square

#381C79 #791C2E #5D791C #1C7967

split-complementary

#381C79 #79671C #2E791C

monochromatic

#0C0619 #211047 #381C79 #4F28AB #6A3DD2

Accessibility & contrast

On white

13.04

#381C79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#381C79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C79

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C79	#FFFFFF	#000000	##FFFFFF
##381C79	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337C

Deuteranopia (green-blind)

#002F77

Tritanopia (blue-blind)

#203549

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #381c79;
/* rgb */ color: rgb(56, 28, 121);
/* oklch */ color: oklch(32.9% 0.146 289.6);

Tailwind

colors: {
  custom: {
    50: '#765ba1',
    500: '#381c79',
    950: '#000000',
  },
}

SCSS

$custom: #381c79;
$custom-light: #765ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#381c79",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 121
  },
  "hsl": {
    "h": 258.065,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32904,
    "c": 0.1465,
    "h": 289.6
  },
  "luminance": 0.03052
}

Semantic roles & 50–950 ramp

primary

#381C79

secondary

#8DAD44

accent

#E542B4

background

#F7F5FA

surface

#EEE9F3

border

#C9C5CD

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381C79

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

Preview Lab → · Contrast checker → · Palette generator →