#581F66#581F66

#581F66 is a dark, vivid purple. Relative luminance 0.040; OKLCH L 35.9% C 0.128 H 319.1°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#581F66
RGB	rgb(88, 31, 102)
HSL	hsl(288, 53%, 26%)
HSV	hsv(288, 70%, 40%)
CMYK	cmyk(13.7%, 69.6%, 0%, 60%)
CIE-LAB	lab(23.72, 37.50, -29.95)
CIE-LCH	lch(23.72, 47.99, 321.39°)
OKLab	oklab(35.86% 0.0968 -0.0838)
OKLCH	oklch(35.86% 0.128 319.1)
XYZ	xyz(6.9124, 4.0143, 12.9785)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581F66 #2D661F

analogous

#341F66 #581F66 #661F50

triadic

#581F66 #66581F #1F6658

tetradic

#581F66 #66341F #2D661F #1F5066

square

#581F66 #66341F #2D661F #1F5066

split-complementary

#581F66 #50661F #1F6634

monochromatic

#140717 #301137 #581F66 #802D95 #A93CC4

Accessibility & contrast

On white

11.65

#581F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#581F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581F66

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581F66	#FFFFFF	#000000	##FFFFFF
##581F66	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#073568

Deuteranopia (green-blind)

#243A64

Tritanopia (blue-blind)

#582C3F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #581f66;
/* rgb */ color: rgb(88, 31, 102);
/* oklch */ color: oklch(35.9% 0.128 319.1);

Tailwind

colors: {
  custom: {
    50: '#8a5f92',
    500: '#581f66',
    950: '#000000',
  },
}

SCSS

$custom: #581f66;
$custom-light: #8a5f92;
$custom-dark: #000000;

JSON

{
  "hex": "#581f66",
  "rgb": {
    "r": 88,
    "g": 31,
    "b": 102
  },
  "hsl": {
    "h": 288.169,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35864,
    "c": 0.12804,
    "h": 319.1
  },
  "luminance": 0.04014
}

Semantic roles & 50–950 ramp

primary

#581F66

secondary

#579A46

accent

#DD4B68

background

#F8F5F9

surface

#F0EAF1

border

#CBC6CB

text

#0C050D

muted

#7D797E

Preview Lab

Preview with #581F66

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

Preview Lab → · Contrast checker → · Palette generator →