#551D5D#551D5D

#551D5D is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.6% C 0.120 H 322.5°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#551D5D
RGB	rgb(85, 29, 93)
HSL	hsl(293, 52%, 24%)
HSV	hsv(293, 69%, 36%)
CMYK	cmyk(8.6%, 68.8%, 0%, 63.5%)
CIE-LAB	lab(22.30, 35.75, -26.32)
CIE-LCH	lch(22.30, 44.39, 323.64°)
OKLab	oklab(34.56% 0.0954 -0.0733)
OKLCH	oklch(34.56% 0.12 322.5)
XYZ	xyz(6.1613, 3.6007, 10.7243)
Luminance	0.0360 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.29

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D5D #255D1D

analogous

#351D5D #551D5D #5D1D45

triadic

#551D5D #5D551D #1D5D55

tetradic

#551D5D #5D351D #255D1D #1D455D

square

#551D5D #5D351D #255D1D #1D455D

split-complementary

#551D5D #455D1D #1D5D35

monochromatic

#150717 #2A0E2E #551D5D #802C8C #AA3ABA

Accessibility & contrast

On white

12.21

#551D5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#551D5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D5D

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D5D	#FFFFFF	#000000	##FFFFFF
##551D5D	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E315F

Deuteranopia (green-blind)

#26385B

Tritanopia (blue-blind)

#56273A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #551d5d;
/* rgb */ color: rgb(85, 29, 93);
/* oklch */ color: oklch(34.6% 0.120 322.5);

Tailwind

colors: {
  custom: {
    50: '#875e8b',
    500: '#551d5d',
    950: '#000000',
  },
}

SCSS

$custom: #551d5d;
$custom-light: #875e8b;
$custom-dark: #000000;

JSON

{
  "hex": "#551d5d",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 93
  },
  "hsl": {
    "h": 292.5,
    "s": 52.459,
    "l": 23.922
  },
  "oklch": {
    "l": 0.34558,
    "c": 0.12031,
    "h": 322.5
  },
  "luminance": 0.036
}

Semantic roles & 50–950 ramp

primary

#551D5D

secondary

#4D9244

accent

#DC4C5E

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0B040C

muted

#7C797D

Preview Lab

Preview with #551D5D

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

Preview Lab → · Contrast checker → · Palette generator →