#581B76#581B76

#581B76 is a dark, vivid purple. Relative luminance 0.042; OKLCH L 36.6% C 0.150 H 311.8°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#581B76
RGB	rgb(88, 27, 118)
HSL	hsl(280, 63%, 28%)
HSV	hsv(280, 77%, 46%)
CMYK	cmyk(25.4%, 77.1%, 0%, 53.7%)
CIE-LAB	lab(24.22, 42.87, -39.48)
CIE-LCH	lch(24.22, 58.28, 317.36°)
OKLab	oklab(36.58% 0.0998 -0.1117)
OKLCH	oklch(36.58% 0.15 311.8)
XYZ	xyz(7.6858, 4.1668, 17.5354)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B76 #39761B

analogous

#2A1B76 #581B76 #761B66

triadic

#581B76 #76581B #1B7658

tetradic

#581B76 #762A1B #39761B #1B6676

square

#581B76 #762A1B #39761B #1B6676

split-complementary

#581B76 #66761B #1B762A

monochromatic

#130619 #331044 #581B76 #7D26A8 #A03AD2

Accessibility & contrast

On white

11.45

#581B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#581B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B76

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B76	#FFFFFF	#000000	##FFFFFF
##581B76	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003779

Deuteranopia (green-blind)

#0D3B74

Tritanopia (blue-blind)

#543047

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #581b76;
/* rgb */ color: rgb(88, 27, 118);
/* oklch */ color: oklch(36.6% 0.150 311.8);

Tailwind

colors: {
  custom: {
    50: '#8b5e9e',
    500: '#581b76',
    950: '#000000',
  },
}

SCSS

$custom: #581b76;
$custom-light: #8b5e9e;
$custom-dark: #000000;

JSON

{
  "hex": "#581b76",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 118
  },
  "hsl": {
    "h": 280.22,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36581,
    "c": 0.14979,
    "h": 311.8
  },
  "luminance": 0.04167
}

Semantic roles & 50–950 ramp

primary

#581B76

secondary

#65AA42

accent

#E64278

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581B76

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

Preview Lab → · Contrast checker → · Palette generator →