#581C74#581C74

#581C74 is a dark, vivid purple. Relative luminance 0.042; OKLCH L 36.5% C 0.147 H 312.6°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#581C74
RGB	rgb(88, 28, 116)
HSL	hsl(281, 61%, 28%)
HSV	hsv(281, 76%, 45%)
CMYK	cmyk(24.1%, 75.9%, 0%, 54.5%)
CIE-LAB	lab(24.21, 41.99, -38.20)
CIE-LCH	lch(24.21, 56.77, 317.71°)
OKLab	oklab(36.53% 0.0991 -0.1079)
OKLCH	oklch(36.53% 0.147 312.6)
XYZ	xyz(7.5916, 4.1664, 16.9239)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C74 #38741C

analogous

#2C1C74 #581C74 #741C64

triadic

#581C74 #74581C #1C7458

tetradic

#581C74 #742C1C #38741C #1C6474

square

#581C74 #742C1C #38741C #1C6474

split-complementary

#581C74 #64741C #1C742C

monochromatic

#130619 #331043 #581C74 #7D28A5 #A03BD0

Accessibility & contrast

On white

11.46

#581C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#581C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C74

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C74	#FFFFFF	#000000	##FFFFFF
##581C74	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003776

Deuteranopia (green-blind)

#123B72

Tritanopia (blue-blind)

#552F46

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #581c74;
/* rgb */ color: rgb(88, 28, 116);
/* oklch */ color: oklch(36.5% 0.147 312.6);

Tailwind

colors: {
  custom: {
    50: '#8b5f9d',
    500: '#581c74',
    950: '#000000',
  },
}

SCSS

$custom: #581c74;
$custom-light: #8b5f9d;
$custom-dark: #000000;

JSON

{
  "hex": "#581c74",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 116
  },
  "hsl": {
    "h": 280.909,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.36532,
    "c": 0.14654,
    "h": 312.6
  },
  "luminance": 0.04166
}

Semantic roles & 50–950 ramp

primary

#581C74

secondary

#64A843

accent

#E44477

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581C74

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

Preview Lab → · Contrast checker → · Palette generator →