#581C55#581C55

#581C55 is a dark, moderate purple. Relative luminance 0.036; OKLCH L 34.4% C 0.116 H 329.8°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#581C55
RGB	rgb(88, 28, 85)
HSL	hsl(303, 52%, 23%)
HSV	hsv(303, 68%, 35%)
CMYK	cmyk(0%, 68.2%, 3.4%, 65.5%)
CIE-LAB	lab(22.17, 35.45, -21.19)
CIE-LCH	lch(22.17, 41.30, 329.14°)
OKLab	oklab(34.41% 0.1002 -0.0583)
OKLCH	oklch(34.41% 0.116 329.8)
XYZ	xyz(6.0794, 3.5615, 8.9598)
Luminance	0.0356 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C55 #1C581F

analogous

#3D1C58 #581C55 #581C37

triadic

#581C55 #55581C #1C5558

tetradic

#581C55 #583D1C #1C581F #1C3758

square

#581C55 #583D1C #1C581F #1C3758

split-complementary

#581C55 #37581C #1C583D

monochromatic

#170716 #2A0D28 #581C55 #862B82 #B53AAF

Accessibility & contrast

On white

12.26

#581C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#581C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C55

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C55	#FFFFFF	#000000	##FFFFFF
##581C55	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173057

Deuteranopia (green-blind)

#2C3853

Tritanopia (blue-blind)

#5B2335

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #581c55;
/* rgb */ color: rgb(88, 28, 85);
/* oklch */ color: oklch(34.4% 0.116 329.8);

Tailwind

colors: {
  custom: {
    50: '#895d85',
    500: '#581c55',
    950: '#000000',
  },
}

SCSS

$custom: #581c55;
$custom-light: #895d85;
$custom-dark: #000000;

JSON

{
  "hex": "#581c55",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 85
  },
  "hsl": {
    "h": 303,
    "s": 51.724,
    "l": 22.745
  },
  "oklch": {
    "l": 0.34405,
    "c": 0.11589,
    "h": 329.8
  },
  "luminance": 0.03561
}

Semantic roles & 50–950 ramp

primary

#581C55

secondary

#428E46

accent

#DB544D

background

#F8F5F8

surface

#F0E9EF

border

#CBC5CA

text

#0C040B

muted

#7D797C

Preview Lab

Preview with #581C55

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

Preview Lab → · Contrast checker → · Palette generator →