#581B75#581B75

#581B75 is a dark, vivid purple. Relative luminance 0.041; OKLCH L 36.5% C 0.149 H 312.2°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#581B75
RGB	rgb(88, 27, 117)
HSL	hsl(281, 63%, 28%)
HSV	hsv(281, 77%, 46%)
CMYK	cmyk(24.8%, 76.9%, 0%, 54.1%)
CIE-LAB	lab(24.14, 42.65, -38.96)
CIE-LCH	lch(24.14, 57.76, 317.59°)
OKLab	oklab(36.5% 0.1 -0.1102)
OKLCH	oklch(36.5% 0.149 312.2)
XYZ	xyz(7.6267, 4.1431, 17.2241)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B75 #38751B

analogous

#2B1B75 #581B75 #751B65

triadic

#581B75 #75581B #1B7558

tetradic

#581B75 #752B1B #38751B #1B6575

square

#581B75 #752B1B #38751B #1B6575

split-complementary

#581B75 #65751B #1B752B

monochromatic

#130619 #331043 #581B75 #7D26A7 #A039D1

Accessibility & contrast

On white

11.48

#581B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#581B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B75

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B75	#FFFFFF	#000000	##FFFFFF
##581B75	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003678

Deuteranopia (green-blind)

#0F3B73

Tritanopia (blue-blind)

#552F46

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #581b75;
/* rgb */ color: rgb(88, 27, 117);
/* oklch */ color: oklch(36.5% 0.149 312.2);

Tailwind

colors: {
  custom: {
    50: '#8b5e9d',
    500: '#581b75',
    950: '#000000',
  },
}

SCSS

$custom: #581b75;
$custom-light: #8b5e9d;
$custom-dark: #000000;

JSON

{
  "hex": "#581b75",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 117
  },
  "hsl": {
    "h": 280.667,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.36503,
    "c": 0.14878,
    "h": 312.2
  },
  "luminance": 0.04143
}

Semantic roles & 50–950 ramp

primary

#581B75

secondary

#64A942

accent

#E64277

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581B75

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

Preview Lab → · Contrast checker → · Palette generator →