#551573#551573

#551573 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 35.3% C 0.153 H 311.9°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#551573
RGB	rgb(85, 21, 115)
HSL	hsl(281, 69%, 27%)
HSV	hsv(281, 82%, 45%)
CMYK	cmyk(26.1%, 81.7%, 0%, 54.9%)
CIE-LAB	lab(22.67, 43.96, -40.07)
CIE-LCH	lch(22.67, 59.49, 317.65°)
OKLab	oklab(35.32% 0.1019 -0.1135)
OKLCH	oklch(35.32% 0.153 311.9)
XYZ	xyz(7.1084, 3.7056, 16.5571)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551573 #337315

analogous

#261573 #551573 #731562

triadic

#551573 #735515 #157355

tetradic

#551573 #732615 #337315 #156273

square

#551573 #732615 #337315 #156273

split-complementary

#551573 #627315 #157326

monochromatic

#13051A #2F0C3F #551573 #7B1EA7 #A12AD8

Accessibility & contrast

On white

12.06

#551573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#551573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551573

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551573	#FFFFFF	#000000	##FFFFFF
##551573	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003376

Deuteranopia (green-blind)

#023771

Tritanopia (blue-blind)

#512C44

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #551573;
/* rgb */ color: rgb(85, 21, 115);
/* oklch */ color: oklch(35.3% 0.153 311.9);

Tailwind

colors: {
  custom: {
    50: '#895b9c',
    500: '#551573',
    950: '#000000',
  },
}

SCSS

$custom: #551573;
$custom-light: #895b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#551573",
  "rgb": {
    "r": 85,
    "g": 21,
    "b": 115
  },
  "hsl": {
    "h": 280.851,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.35321,
    "c": 0.15254,
    "h": 311.9
  },
  "luminance": 0.03705
}

Semantic roles & 50–950 ramp

primary

#551573

secondary

#5EA93B

accent

#EC3C74

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #551573

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

Preview Lab → · Contrast checker → · Palette generator →