#391C78#391C78

#391C78 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 32.9% C 0.145 H 290.5°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#391C78
RGB	rgb(57, 28, 120)
HSL	hsl(259, 62%, 29%)
HSV	hsv(259, 77%, 47%)
CMYK	cmyk(52.5%, 76.7%, 0%, 52.9%)
CIE-LAB	lab(20.27, 36.97, -47.37)
CIE-LCH	lch(20.27, 60.09, 307.97°)
OKLab	oklab(32.91% 0.0509 -0.136)
OKLCH	oklch(32.91% 0.145 290.5)
XYZ	xyz(5.4918, 3.0562, 18.0662)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391C78 #5B781C

analogous

#1C2D78 #391C78 #671C78

triadic

#391C78 #78391C #1C7839

tetradic

#391C78 #781C2D #5B781C #1C7867

square

#391C78 #781C2D #5B781C #1C7867

split-complementary

#391C78 #78671C #2D781C

monochromatic

#0C0619 #211046 #391C78 #5128AA #6C3DD2

Accessibility & contrast

On white

13.03

#391C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#391C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391C78

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391C78	#FFFFFF	#000000	##FFFFFF
##391C78	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327B

Deuteranopia (green-blind)

#002F76

Tritanopia (blue-blind)

#233548

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #391c78;
/* rgb */ color: rgb(57, 28, 120);
/* oklch */ color: oklch(32.9% 0.145 290.5);

Tailwind

colors: {
  custom: {
    50: '#775ba0',
    500: '#391c78',
    950: '#000000',
  },
}

SCSS

$custom: #391c78;
$custom-light: #775ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#391c78",
  "rgb": {
    "r": 57,
    "g": 28,
    "b": 120
  },
  "hsl": {
    "h": 258.913,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32914,
    "c": 0.14524,
    "h": 290.5
  },
  "luminance": 0.03056
}

Semantic roles & 50–950 ramp

primary

#391C78

secondary

#8BAC44

accent

#E543B2

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #391C78

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

Preview Lab → · Contrast checker → · Palette generator →