#581B72#581B72

#581B72 is a dark, vivid purple. Relative luminance 0.041; OKLCH L 36.3% C 0.146 H 313.6°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#581B72
RGB	rgb(88, 27, 114)
HSL	hsl(282, 62%, 28%)
HSV	hsv(282, 76%, 45%)
CMYK	cmyk(22.8%, 76.3%, 0%, 55.3%)
CIE-LAB	lab(23.91, 41.97, -37.40)
CIE-LCH	lch(23.91, 56.22, 318.30°)
OKLab	oklab(36.27% 0.1005 -0.1056)
OKLCH	oklch(36.27% 0.146 313.6)
XYZ	xyz(7.4532, 4.0737, 16.3100)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B72 #35721B

analogous

#2D1B72 #581B72 #721B60

triadic

#581B72 #72581B #1B7258

tetradic

#581B72 #722D1B #35721B #1B6072

square

#581B72 #722D1B #35721B #1B6072

split-complementary

#581B72 #60721B #1B722D

monochromatic

#130619 #320F41 #581B72 #7E27A3 #A238D0

Accessibility & contrast

On white

11.57

#581B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#581B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B72

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B72	#FFFFFF	#000000	##FFFFFF
##581B72	1.00	11.57	1.81	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003674

Deuteranopia (green-blind)

#143A70

Tritanopia (blue-blind)

#552E45

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #581b72;
/* rgb */ color: rgb(88, 27, 114);
/* oklch */ color: oklch(36.3% 0.146 313.6);

Tailwind

colors: {
  custom: {
    50: '#8b5e9b',
    500: '#581b72',
    950: '#000000',
  },
}

SCSS

$custom: #581b72;
$custom-light: #8b5e9b;
$custom-dark: #000000;

JSON

{
  "hex": "#581b72",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 114
  },
  "hsl": {
    "h": 282.069,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36272,
    "c": 0.14574,
    "h": 313.6
  },
  "luminance": 0.04073
}

Semantic roles & 50–950 ramp

primary

#581B72

secondary

#60A742

accent

#E54373

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581B72

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

Preview Lab → · Contrast checker → · Palette generator →