#511566#511566

#511566 is a dark, vivid purple. Relative luminance 0.032; OKLCH L 33.7% C 0.138 H 315.5°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#511566
RGB	rgb(81, 21, 102)
HSL	hsl(284, 66%, 24%)
HSV	hsv(284, 79%, 40%)
CMYK	cmyk(20.6%, 79.4%, 0%, 60%)
CIE-LAB	lab(21.00, 40.26, -34.37)
CIE-LCH	lch(21.00, 52.93, 319.51°)
OKLab	oklab(33.69% 0.0987 -0.0969)
OKLCH	oklch(33.69% 0.138 315.5)
XYZ	xyz(6.0594, 3.2452, 12.8750)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511566 #2A6615

analogous

#281566 #511566 #661553

triadic

#511566 #665115 #156651

tetradic

#511566 #662815 #2A6615 #155366

square

#511566 #662815 #2A6615 #155366

split-complementary

#511566 #536615 #156628

monochromatic

#140519 #290B33 #511566 #791F99 #A22ACC

Accessibility & contrast

On white

12.73

#511566 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#511566 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511566

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511566	#FFFFFF	#000000	##FFFFFF
##511566	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F68

Deuteranopia (green-blind)

#133464

Tritanopia (blue-blind)

#4F273D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #511566;
/* rgb */ color: rgb(81, 21, 102);
/* oklch */ color: oklch(33.7% 0.138 315.5);

Tailwind

colors: {
  custom: {
    50: '#855a92',
    500: '#511566',
    950: '#000000',
  },
}

SCSS

$custom: #511566;
$custom-light: #855a92;
$custom-dark: #000000;

JSON

{
  "hex": "#511566",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 102
  },
  "hsl": {
    "h": 284.444,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.33688,
    "c": 0.13833,
    "h": 315.5
  },
  "luminance": 0.03245
}

Semantic roles & 50–950 ramp

primary

#511566

secondary

#549D3A

accent

#E93F6B

background

#F8F5F9

surface

#F0E9F1

border

#CBC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511566

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

Preview Lab → · Contrast checker → · Palette generator →