#581D75#581D75

#581D75 is a dark, vivid purple. Relative luminance 0.042; OKLCH L 36.7% C 0.146 H 312.0°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#581D75
RGB	rgb(88, 29, 117)
HSL	hsl(280, 60%, 29%)
HSV	hsv(280, 75%, 46%)
CMYK	cmyk(24.8%, 75.2%, 0%, 54.1%)
CIE-LAB	lab(24.44, 41.78, -38.47)
CIE-LCH	lch(24.44, 56.79, 317.36°)
OKLab	oklab(36.72% 0.0979 -0.1087)
OKLCH	oklch(36.72% 0.146 312)
XYZ	xyz(7.6742, 4.2380, 17.2399)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D75 #3A751D

analogous

#2C1D75 #581D75 #751D66

triadic

#581D75 #75581D #1D7558

tetradic

#581D75 #752C1D #3A751D #1D6675

square

#581D75 #752C1D #3A751D #1D6675

split-complementary

#581D75 #66751D #1D752C

monochromatic

#120619 #331144 #581D75 #7D29A6 #9F3DCF

Accessibility & contrast

On white

11.37

#581D75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#581D75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D75

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D75	#FFFFFF	#000000	##FFFFFF
##581D75	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003778

Deuteranopia (green-blind)

#123B73

Tritanopia (blue-blind)

#553047

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #581d75;
/* rgb */ color: rgb(88, 29, 117);
/* oklch */ color: oklch(36.7% 0.146 312.0);

Tailwind

colors: {
  custom: {
    50: '#8b5f9d',
    500: '#581d75',
    950: '#000000',
  },
}

SCSS

$custom: #581d75;
$custom-light: #8b5f9d;
$custom-dark: #000000;

JSON

{
  "hex": "#581d75",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 117
  },
  "hsl": {
    "h": 280.227,
    "s": 60.274,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36718,
    "c": 0.14631,
    "h": 312
  },
  "luminance": 0.04238
}

Semantic roles & 50–950 ramp

primary

#581D75

secondary

#66A945

accent

#E34479

background

#F8F5F9

surface

#F0EAF2

border

#CBC6CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581D75

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

Preview Lab → · Contrast checker → · Palette generator →