#581B64#581B64

#581B64 is a dark, vivid purple. Relative luminance 0.038; OKLCH L 35.3% C 0.132 H 320.6°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#581B64
RGB	rgb(88, 27, 100)
HSL	hsl(290, 57%, 25%)
HSV	hsv(290, 73%, 39%)
CMYK	cmyk(12%, 73%, 0%, 60.8%)
CIE-LAB	lab(22.93, 38.93, -29.91)
CIE-LCH	lch(22.93, 49.09, 322.47°)
OKLab	oklab(35.25% 0.1018 -0.0836)
OKLCH	oklch(35.25% 0.132 320.6)
XYZ	xyz(6.7164, 3.7790, 12.4298)
Luminance	0.0378 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B64 #27641B

analogous

#341B64 #581B64 #641B4C

triadic

#581B64 #64581B #1B6458

tetradic

#581B64 #64341B #27641B #1B4C64

square

#581B64 #64341B #27641B #1B4C64

split-complementary

#581B64 #4C641B #1B6434

monochromatic

#150718 #2E0E34 #581B64 #822894 #AD35C4

Accessibility & contrast

On white

11.96

#581B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#581B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B64

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B64	#FFFFFF	#000000	##FFFFFF
##581B64	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#013266

Deuteranopia (green-blind)

#223962

Tritanopia (blue-blind)

#59283D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #581b64;
/* rgb */ color: rgb(88, 27, 100);
/* oklch */ color: oklch(35.3% 0.132 320.6);

Tailwind

colors: {
  custom: {
    50: '#8a5d90',
    500: '#581b64',
    950: '#000000',
  },
}

SCSS

$custom: #581b64;
$custom-light: #8a5d90;
$custom-dark: #000000;

JSON

{
  "hex": "#581b64",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 100
  },
  "hsl": {
    "h": 290.137,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35253,
    "c": 0.13174,
    "h": 320.6
  },
  "luminance": 0.03779
}

Semantic roles & 50–950 ramp

primary

#581B64

secondary

#509941

accent

#E14760

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0C040C

muted

#7D797D

Preview Lab

Preview with #581B64

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

Preview Lab → · Contrast checker → · Palette generator →