#551C63#551C63

#551C63 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 34.8% C 0.128 H 319.1°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#551C63
RGB	rgb(85, 28, 99)
HSL	hsl(288, 56%, 25%)
HSV	hsv(288, 72%, 39%)
CMYK	cmyk(14.1%, 71.7%, 0%, 61.2%)
CIE-LAB	lab(22.52, 37.50, -29.92)
CIE-LCH	lch(22.52, 47.98, 321.42°)
OKLab	oklab(34.84% 0.0966 -0.0838)
OKLCH	oklch(34.84% 0.128 319.1)
XYZ	xyz(6.4134, 3.6629, 12.1712)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C63 #2A631C

analogous

#311C63 #551C63 #631C4E

triadic

#551C63 #63551C #1C6355

tetradic

#551C63 #63311C #2A631C #1C4E63

square

#551C63 #63311C #2A631C #1C4E63

split-complementary

#551C63 #4E631C #1C6331

monochromatic

#140718 #2C0F33 #551C63 #7E2993 #A737C2

Accessibility & contrast

On white

12.12

#551C63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#551C63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C63

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C63	#FFFFFF	#000000	##FFFFFF
##551C63	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023265

Deuteranopia (green-blind)

#213861

Tritanopia (blue-blind)

#55293D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #551c63;
/* rgb */ color: rgb(85, 28, 99);
/* oklch */ color: oklch(34.8% 0.128 319.1);

Tailwind

colors: {
  custom: {
    50: '#875d90',
    500: '#551c63',
    950: '#000000',
  },
}

SCSS

$custom: #551c63;
$custom-light: #875d90;
$custom-dark: #000000;

JSON

{
  "hex": "#551c63",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 99
  },
  "hsl": {
    "h": 288.169,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34842,
    "c": 0.12788,
    "h": 319.1
  },
  "luminance": 0.03663
}

Semantic roles & 50–950 ramp

primary

#551C63

secondary

#539843

accent

#DF4966

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0C040C

muted

#7D797D

Preview Lab

Preview with #551C63

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

Preview Lab → · Contrast checker → · Palette generator →