#551C5D#551C5D

#551C5D is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.4% C 0.122 H 322.6°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#551C5D
RGB	rgb(85, 28, 93)
HSL	hsl(293, 54%, 24%)
HSV	hsv(293, 70%, 36%)
CMYK	cmyk(8.6%, 69.9%, 0%, 63.5%)
CIE-LAB	lab(22.13, 36.23, -26.59)
CIE-LCH	lch(22.13, 44.94, 323.72°)
OKLab	oklab(34.43% 0.0967 -0.0741)
OKLCH	oklch(34.43% 0.122 322.6)
XYZ	xyz(6.1372, 3.5524, 10.7162)
Luminance	0.0355 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.12

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C5D #245D1C

analogous

#341C5D #551C5D #5D1C44

triadic

#551C5D #5D551C #1C5D55

tetradic

#551C5D #5D341C #245D1C #1C445D

square

#551C5D #5D341C #245D1C #1C445D

split-complementary

#551C5D #445D1C #1C5D34

monochromatic

#150718 #2A0E2E #551C5D #802A8C #AB38BB

Accessibility & contrast

On white

12.28

#551C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#551C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C5D

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C5D	#FFFFFF	#000000	##FFFFFF
##551C5D	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C315F

Deuteranopia (green-blind)

#25375B

Tritanopia (blue-blind)

#56273A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #551c5d;
/* rgb */ color: rgb(85, 28, 93);
/* oklch */ color: oklch(34.4% 0.122 322.6);

Tailwind

colors: {
  custom: {
    50: '#875d8b',
    500: '#551c5d',
    950: '#000000',
  },
}

SCSS

$custom: #551c5d;
$custom-light: #875d8b;
$custom-dark: #000000;

JSON

{
  "hex": "#551c5d",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 93
  },
  "hsl": {
    "h": 292.615,
    "s": 53.719,
    "l": 23.725
  },
  "oklch": {
    "l": 0.34434,
    "c": 0.12182,
    "h": 322.6
  },
  "luminance": 0.03552
}

Semantic roles & 50–950 ramp

primary

#551C5D

secondary

#4C9242

accent

#DD4B5D

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0C040C

muted

#7D797D

Preview Lab

Preview with #551C5D

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

Preview Lab → · Contrast checker → · Palette generator →