#591B78#591B78

#591B78 is a dark, vivid purple. Relative luminance 0.043; OKLCH L 36.9% C 0.152 H 311.5°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#591B78
RGB	rgb(89, 27, 120)
HSL	hsl(280, 63%, 29%)
HSV	hsv(280, 78%, 47%)
CMYK	cmyk(25.8%, 77.5%, 0%, 52.9%)
CIE-LAB	lab(24.53, 43.54, -40.24)
CIE-LCH	lch(24.53, 59.29, 317.25°)
OKLab	oklab(36.88% 0.1009 -0.1139)
OKLCH	oklch(36.88% 0.152 311.5)
XYZ	xyz(7.9013, 4.2640, 18.1725)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B78 #3A781B

analogous

#2B1B78 #591B78 #781B69

triadic

#591B78 #78591B #1B7859

tetradic

#591B78 #782B1B #3A781B #1B6978

square

#591B78 #782B1B #3A781B #1B6978

split-complementary

#591B78 #69781B #1B782B

monochromatic

#130619 #341046 #591B78 #7E26AA #A03BD3

Accessibility & contrast

On white

11.33

#591B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#591B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B78

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B78	#FFFFFF	#000000	##FFFFFF
##591B78	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377B

Deuteranopia (green-blind)

#0B3B76

Tritanopia (blue-blind)

#553048

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #591b78;
/* rgb */ color: rgb(89, 27, 120);
/* oklch */ color: oklch(36.9% 0.152 311.5);

Tailwind

colors: {
  custom: {
    50: '#8c5ea0',
    500: '#591b78',
    950: '#000000',
  },
}

SCSS

$custom: #591b78;
$custom-light: #8c5ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#591b78",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 120
  },
  "hsl": {
    "h": 280,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36881,
    "c": 0.15216,
    "h": 311.5
  },
  "luminance": 0.04264
}

Semantic roles & 50–950 ramp

primary

#591B78

secondary

#66AC43

accent

#E64178

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050F

muted

#7D797E

Preview Lab

Preview with #591B78

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

Preview Lab → · Contrast checker → · Palette generator →