#511A66#511A66

#511A66 is a dark, vivid purple. Relative luminance 0.034; OKLCH L 34.2% C 0.132 H 315.0°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#511A66
RGB	rgb(81, 26, 102)
HSL	hsl(283, 59%, 25%)
HSV	hsv(283, 75%, 40%)
CMYK	cmyk(20.6%, 74.5%, 0%, 60%)
CIE-LAB	lab(21.75, 38.11, -33.16)
CIE-LCH	lch(21.75, 50.52, 318.98°)
OKLab	oklab(34.22% 0.0933 -0.0934)
OKLCH	oklch(34.22% 0.132 315)
XYZ	xyz(6.1606, 3.4476, 12.9087)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A66 #2F661A

analogous

#2B1A66 #511A66 #661A55

triadic

#511A66 #66511A #1A6651

tetradic

#511A66 #662B1A #2F661A #1A5566

square

#511A66 #662B1A #2F661A #1A5566

split-complementary

#511A66 #55661A #1A662B

monochromatic

#130618 #2A0E35 #511A66 #782697 #9E33C8

Accessibility & contrast

On white

12.43

#511A66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#511A66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A66

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A66	#FFFFFF	#000000	##FFFFFF
##511A66	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003168

Deuteranopia (green-blind)

#173664

Tritanopia (blue-blind)

#4F2A3E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #511a66;
/* rgb */ color: rgb(81, 26, 102);
/* oklch */ color: oklch(34.2% 0.132 315.0);

Tailwind

colors: {
  custom: {
    50: '#855c92',
    500: '#511a66',
    950: '#000000',
  },
}

SCSS

$custom: #511a66;
$custom-light: #855c92;
$custom-dark: #000000;

JSON

{
  "hex": "#511a66",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 102
  },
  "hsl": {
    "h": 283.421,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34224,
    "c": 0.132,
    "h": 315
  },
  "luminance": 0.03447
}

Semantic roles & 50–950 ramp

primary

#511A66

secondary

#599C40

accent

#E34571

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511A66

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

Preview Lab → · Contrast checker → · Palette generator →