#551D63#551D63

#551D63 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 35.0% C 0.126 H 319.0°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#551D63
RGB	rgb(85, 29, 99)
HSL	hsl(288, 55%, 25%)
HSV	hsv(288, 71%, 39%)
CMYK	cmyk(14.1%, 70.7%, 0%, 61.2%)
CIE-LAB	lab(22.69, 37.03, -29.65)
CIE-LCH	lch(22.69, 47.44, 321.32°)
OKLab	oklab(34.96% 0.0954 -0.083)
OKLCH	oklch(34.96% 0.126 319)
XYZ	xyz(6.4375, 3.7112, 12.1792)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D63 #2B631D

analogous

#321D63 #551D63 #631D4E

triadic

#551D63 #63551D #1D6355

tetradic

#551D63 #63321D #2B631D #1D4E63

square

#551D63 #63321D #2B631D #1D4E63

split-complementary

#551D63 #4E631D #1D6332

monochromatic

#140718 #2C0F34 #551D63 #7E2B92 #A639C2

Accessibility & contrast

On white

12.05

#551D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#551D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D63

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D63	#FFFFFF	#000000	##FFFFFF
##551D63	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043265

Deuteranopia (green-blind)

#213861

Tritanopia (blue-blind)

#552A3D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #551d63;
/* rgb */ color: rgb(85, 29, 99);
/* oklch */ color: oklch(35.0% 0.126 319.0);

Tailwind

colors: {
  custom: {
    50: '#875e90',
    500: '#551d63',
    950: '#000000',
  },
}

SCSS

$custom: #551d63;
$custom-light: #875e90;
$custom-dark: #000000;

JSON

{
  "hex": "#551d63",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 99
  },
  "hsl": {
    "h": 288,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34963,
    "c": 0.12644,
    "h": 319
  },
  "luminance": 0.03711
}

Semantic roles & 50–950 ramp

primary

#551D63

secondary

#559844

accent

#DE4A67

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0C050C

muted

#7D797D

Preview Lab

Preview with #551D63

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

Preview Lab → · Contrast checker → · Palette generator →