#550D71#550D71

#550D71 is a dark, vivid purple. Relative luminance 0.034; OKLCH L 34.5% C 0.158 H 313.5°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#550D71
RGB	rgb(85, 13, 113)
HSL	hsl(283, 79%, 25%)
HSV	hsv(283, 88%, 44%)
CMYK	cmyk(24.8%, 88.5%, 0%, 55.7%)
CIE-LAB	lab(21.62, 46.12, -40.49)
CIE-LCH	lch(21.62, 61.37, 318.72°)
OKLab	oklab(34.54% 0.1087 -0.1147)
OKLCH	oklch(34.54% 0.158 313.5)
XYZ	xyz(6.8703, 3.4116, 15.9162)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550D71 #29710D

analogous

#230D71 #550D71 #710D5B

triadic

#550D71 #71550D #0D7155

tetradic

#550D71 #71230D #29710D #0D5B71

square

#550D71 #71230D #29710D #0D5B71

split-complementary

#550D71 #5B710D #0D7123

monochromatic

#15031B #2C073A #550D71 #7E13A8 #A81ADF

Accessibility & contrast

On white

12.48

#550D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#550D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550D71

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550D71	#FFFFFF	#000000	##FFFFFF
##550D71	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003074

Deuteranopia (green-blind)

#00356F

Tritanopia (blue-blind)

#522841

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #550d71;
/* rgb */ color: rgb(85, 13, 113);
/* oklch */ color: oklch(34.5% 0.158 313.5);

Tailwind

colors: {
  custom: {
    50: '#89589a',
    500: '#550d71',
    950: '#000000',
  },
}

SCSS

$custom: #550d71;
$custom-light: #89589a;
$custom-dark: #000000;

JSON

{
  "hex": "#550d71",
  "rgb": {
    "r": 85,
    "g": 13,
    "b": 113
  },
  "hsl": {
    "h": 283.2,
    "s": 79.365,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34536,
    "c": 0.15798,
    "h": 313.5
  },
  "luminance": 0.03411
}

Semantic roles & 50–950 ramp

primary

#550D71

secondary

#52A930

accent

#F63269

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #550D71

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

Preview Lab → · Contrast checker → · Palette generator →