#551578#551578

#551578 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.7% C 0.157 H 309.8°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#551578
RGB	rgb(85, 21, 120)
HSL	hsl(279, 70%, 28%)
HSV	hsv(279, 83%, 47%)
CMYK	cmyk(29.2%, 82.5%, 0%, 52.9%)
CIE-LAB	lab(23.08, 45.09, -42.62)
CIE-LCH	lch(23.08, 62.04, 316.62°)
OKLab	oklab(35.73% 0.1007 -0.121)
OKLCH	oklch(35.73% 0.157 309.8)
XYZ	xyz(7.4040, 3.8238, 18.1137)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551578 #387815

analogous

#241578 #551578 #781569

triadic

#551578 #785515 #157855

tetradic

#551578 #782415 #387815 #156978

square

#551578 #782415 #387815 #156978

split-complementary

#551578 #697815 #157824

monochromatic

#12051A #300C44 #551578 #7A1EAC #9D2DDA

Accessibility & contrast

On white

11.90

#551578 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#551578 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551578

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551578	#FFFFFF	#000000	##FFFFFF
##551578	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347B

Deuteranopia (green-blind)

#003876

Tritanopia (blue-blind)

#502E47

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #551578;
/* rgb */ color: rgb(85, 21, 120);
/* oklch */ color: oklch(35.7% 0.157 309.8);

Tailwind

colors: {
  custom: {
    50: '#895ba0',
    500: '#551578',
    950: '#000000',
  },
}

SCSS

$custom: #551578;
$custom-light: #895ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#551578",
  "rgb": {
    "r": 85,
    "g": 21,
    "b": 120
  },
  "hsl": {
    "h": 278.788,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35734,
    "c": 0.15743,
    "h": 309.8
  },
  "luminance": 0.03824
}

Semantic roles & 50–950 ramp

primary

#551578

secondary

#64AE3B

accent

#ED3B7A

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040F

muted

#7D797E

Preview Lab

Preview with #551578

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

Preview Lab → · Contrast checker → · Palette generator →