#581B73#581B73

#581B73 is a dark, vivid purple. Relative luminance 0.041; OKLCH L 36.3% C 0.147 H 313.1°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#581B73
RGB	rgb(88, 27, 115)
HSL	hsl(282, 62%, 28%)
HSV	hsv(282, 77%, 45%)
CMYK	cmyk(23.5%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(23.99, 42.19, -37.92)
CIE-LCH	lch(23.99, 56.73, 318.05°)
OKLab	oklab(36.35% 0.1003 -0.1071)
OKLCH	oklch(36.35% 0.147 313.1)
XYZ	xyz(7.5104, 4.0966, 16.6114)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B73 #36731B

analogous

#2C1B73 #581B73 #731B62

triadic

#581B73 #73581B #1B7358

tetradic

#581B73 #732C1B #36731B #1B6273

square

#581B73 #732C1B #36731B #1B6273

split-complementary

#581B73 #62731B #1B732C

monochromatic

#130619 #320F41 #581B73 #7E27A5 #A238D0

Accessibility & contrast

On white

11.54

#581B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#581B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B73

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B73	#FFFFFF	#000000	##FFFFFF
##581B73	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003675

Deuteranopia (green-blind)

#123A71

Tritanopia (blue-blind)

#552E45

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #581b73;
/* rgb */ color: rgb(88, 27, 115);
/* oklch */ color: oklch(36.3% 0.147 313.1);

Tailwind

colors: {
  custom: {
    50: '#8b5e9c',
    500: '#581b73',
    950: '#000000',
  },
}

SCSS

$custom: #581b73;
$custom-light: #8b5e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#581b73",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 281.591,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36348,
    "c": 0.14675,
    "h": 313.1
  },
  "luminance": 0.04096
}

Semantic roles & 50–950 ramp

primary

#581B73

secondary

#61A842

accent

#E54375

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581B73

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

Preview Lab → · Contrast checker → · Palette generator →