#551663#551663

#551663 is a dark, vivid purple. Relative luminance 0.034; OKLCH L 34.2% C 0.136 H 319.6°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#551663
RGB	rgb(85, 22, 99)
HSL	hsl(289, 64%, 24%)
HSV	hsv(289, 78%, 39%)
CMYK	cmyk(14.1%, 77.8%, 0%, 61.2%)
CIE-LAB	lab(21.60, 40.11, -31.40)
CIE-LCH	lch(21.60, 50.94, 321.95°)
OKLab	oklab(34.18% 0.1035 -0.088)
OKLCH	oklch(34.18% 0.136 319.6)
XYZ	xyz(6.2851, 3.4063, 12.1284)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 4.09

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551663 #246316

analogous

#2E1663 #551663 #63164A

triadic

#551663 #635516 #166355

tetradic

#551663 #632E16 #246316 #164A63

square

#551663 #632E16 #246316 #164A63

split-complementary

#551663 #4A6316 #16632E

monochromatic

#150619 #2A0B31 #551663 #802195 #AB2CC7

Accessibility & contrast

On white

12.49

#551663 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#551663 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551663

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551663	#FFFFFF	#000000	##FFFFFF
##551663	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003065

Deuteranopia (green-blind)

#1C3661

Tritanopia (blue-blind)

#55253B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #551663;
/* rgb */ color: rgb(85, 22, 99);
/* oklch */ color: oklch(34.2% 0.136 319.6);

Tailwind

colors: {
  custom: {
    50: '#885b90',
    500: '#551663',
    950: '#000000',
  },
}

SCSS

$custom: #551663;
$custom-light: #885b90;
$custom-dark: #000000;

JSON

{
  "hex": "#551663",
  "rgb": {
    "r": 85,
    "g": 22,
    "b": 99
  },
  "hsl": {
    "h": 289.091,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.34183,
    "c": 0.13589,
    "h": 319.6
  },
  "luminance": 0.03406
}

Semantic roles & 50–950 ramp

primary

#551663

secondary

#4C9A3B

accent

#E7415F

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0C040C

muted

#7D797D

Preview Lab

Preview with #551663

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

Preview Lab → · Contrast checker → · Palette generator →