#551066#551066

#551066 is a dark, vivid purple. Relative luminance 0.033; OKLCH L 33.9% C 0.145 H 318.5°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#551066
RGB	rgb(85, 16, 102)
HSL	hsl(288, 73%, 23%)
HSV	hsv(288, 84%, 40%)
CMYK	cmyk(16.7%, 84.3%, 0%, 60%)
CIE-LAB	lab(21.06, 42.92, -34.24)
CIE-LCH	lch(21.06, 54.90, 321.42°)
OKLab	oklab(33.87% 0.1088 -0.0963)
OKLCH	oklch(33.87% 0.145 318.5)
XYZ	xyz(6.3295, 3.2615, 12.8639)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551066 #216610

analogous

#2A1066 #551066 #66104C

triadic

#551066 #665510 #106655

tetradic

#551066 #662A10 #216610 #104C66

square

#551066 #662A10 #216610 #104C66

split-complementary

#551066 #4C6610 #10662A

monochromatic

#16041A #290831 #551066 #81189B #AD21D0

Accessibility & contrast

On white

12.71

#551066 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#551066 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551066

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551066	#FFFFFF	#000000	##FFFFFF
##551066	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E68

Deuteranopia (green-blind)

#153564

Tritanopia (blue-blind)

#55243B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #551066;
/* rgb */ color: rgb(85, 16, 102);
/* oklch */ color: oklch(33.9% 0.145 318.5);

Tailwind

colors: {
  custom: {
    50: '#885892',
    500: '#551066',
    950: '#000000',
  },
}

SCSS

$custom: #551066;
$custom-light: #885892;
$custom-dark: #000000;

JSON

{
  "hex": "#551066",
  "rgb": {
    "r": 85,
    "g": 16,
    "b": 102
  },
  "hsl": {
    "h": 288.14,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.3387,
    "c": 0.14533,
    "h": 318.5
  },
  "luminance": 0.03261
}

Semantic roles & 50–950 ramp

primary

#551066

secondary

#499E33

accent

#F0385C

background

#F8F5F9

surface

#F0E9F1

border

#CBC5CB

text

#0C040D

muted

#7D797E

Preview Lab

Preview with #551066

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

Preview Lab → · Contrast checker → · Palette generator →