#581D66#581D66

#581D66 is a dark, vivid purple. Relative luminance 0.039; OKLCH L 35.6% C 0.131 H 319.3°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#581D66
RGB	rgb(88, 29, 102)
HSL	hsl(288, 56%, 26%)
HSV	hsv(288, 72%, 40%)
CMYK	cmyk(13.7%, 71.6%, 0%, 60%)
CIE-LAB	lab(23.38, 38.44, -30.49)
CIE-LCH	lch(23.38, 49.06, 321.59°)
OKLab	oklab(35.62% 0.0993 -0.0853)
OKLCH	oklch(35.62% 0.131 319.3)
XYZ	xyz(6.8618, 3.9131, 12.9617)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D66 #2B661D

analogous

#331D66 #581D66 #661D4F

triadic

#581D66 #66581D #1D6658

tetradic

#581D66 #66331D #2B661D #1D4F66

square

#581D66 #66331D #2B661D #1D4F66

split-complementary

#581D66 #4F661D #1D6633

monochromatic

#150718 #2F0F36 #581D66 #812B96 #AA38C5

Accessibility & contrast

On white

11.78

#581D66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#581D66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D66

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D66	#FFFFFF	#000000	##FFFFFF
##581D66	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023468

Deuteranopia (green-blind)

#223A64

Tritanopia (blue-blind)

#582A3F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #581d66;
/* rgb */ color: rgb(88, 29, 102);
/* oklch */ color: oklch(35.6% 0.131 319.3);

Tailwind

colors: {
  custom: {
    50: '#8a5e92',
    500: '#581d66',
    950: '#000000',
  },
}

SCSS

$custom: #581d66;
$custom-light: #8a5e92;
$custom-dark: #000000;

JSON

{
  "hex": "#581d66",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 102
  },
  "hsl": {
    "h": 288.493,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35622,
    "c": 0.13093,
    "h": 319.3
  },
  "luminance": 0.03913
}

Semantic roles & 50–950 ramp

primary

#581D66

secondary

#559B44

accent

#DF4966

background

#F8F5F9

surface

#F0E9F1

border

#CBC5CB

text

#0C050D

muted

#7D797E

Preview Lab

Preview with #581D66

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

Preview Lab → · Contrast checker → · Palette generator →