#511660#511660

#511660 is a dark, vivid purple. Relative luminance 0.032; OKLCH L 33.3% C 0.131 H 318.6°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#511660
RGB	rgb(81, 22, 96)
HSL	hsl(288, 63%, 23%)
HSV	hsv(288, 77%, 38%)
CMYK	cmyk(15.6%, 77.1%, 0%, 62.4%)
CIE-LAB	lab(20.70, 38.54, -30.90)
CIE-LCH	lch(20.70, 49.40, 321.28°)
OKLab	oklab(33.34% 0.0984 -0.0867)
OKLCH	oklch(33.34% 0.131 318.6)
XYZ	xyz(5.7913, 3.1679, 11.3705)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 3.76

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511660 #256016

analogous

#2C1660 #511660 #60164A

triadic

#511660 #605116 #166051

tetradic

#511660 #602C16 #256016 #164A60

square

#511660 #602C16 #256016 #164A60

split-complementary

#511660 #4A6016 #16602C

monochromatic

#150619 #270B2E #511660 #7B2192 #A52DC4

Accessibility & contrast

On white

12.86

#511660 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#511660 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511660

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511660	#FFFFFF	#000000	##FFFFFF
##511660	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E62

Deuteranopia (green-blind)

#1A345E

Tritanopia (blue-blind)

#512539

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #511660;
/* rgb */ color: rgb(81, 22, 96);
/* oklch */ color: oklch(33.3% 0.131 318.6);

Tailwind

colors: {
  custom: {
    50: '#855a8e',
    500: '#511660',
    950: '#000000',
  },
}

SCSS

$custom: #511660;
$custom-light: #855a8e;
$custom-dark: #000000;

JSON

{
  "hex": "#511660",
  "rgb": {
    "r": 81,
    "g": 22,
    "b": 96
  },
  "hsl": {
    "h": 287.838,
    "s": 62.712,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33338,
    "c": 0.13118,
    "h": 318.6
  },
  "luminance": 0.03168
}

Semantic roles & 50–950 ramp

primary

#511660

secondary

#4E973B

accent

#E64263

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040C

muted

#7C797D

Preview Lab

Preview with #511660

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

Preview Lab → · Contrast checker → · Palette generator →