#551161#551161

#551161 is a dark, vivid purple. Relative luminance 0.032; OKLCH L 33.6% C 0.140 H 321.0°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#551161
RGB	rgb(85, 17, 97)
HSL	hsl(291, 70%, 22%)
HSV	hsv(291, 82%, 38%)
CMYK	cmyk(12.4%, 82.5%, 0%, 62%)
CIE-LAB	lab(20.81, 41.56, -31.35)
CIE-LCH	lch(20.81, 52.06, 322.97°)
OKLab	oklab(33.58% 0.1087 -0.0879)
OKLCH	oklch(33.58% 0.14 321)
XYZ	xyz(6.1042, 3.1956, 11.6022)
Luminance	0.0319 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 3.49

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551161 #1D6111

analogous

#2D1161 #551161 #611145

triadic

#551161 #615511 #116155

tetradic

#551161 #612D11 #1D6111 #114561

square

#551161 #612D11 #1D6111 #114561

split-complementary

#551161 #456111 #11612D

monochromatic

#17051A #27082D #551161 #831A95 #B023C9

Accessibility & contrast

On white

12.81

#551161 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#551161 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551161

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551161	#FFFFFF	#000000	##FFFFFF
##551161	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D63

Deuteranopia (green-blind)

#1B345F

Tritanopia (blue-blind)

#562239

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #551161;
/* rgb */ color: rgb(85, 17, 97);
/* oklch */ color: oklch(33.6% 0.140 321.0);

Tailwind

colors: {
  custom: {
    50: '#88588e',
    500: '#551161',
    950: '#000000',
  },
}

SCSS

$custom: #551161;
$custom-light: #88588e;
$custom-dark: #000000;

JSON

{
  "hex": "#551161",
  "rgb": {
    "r": 85,
    "g": 17,
    "b": 97
  },
  "hsl": {
    "h": 291,
    "s": 70.175,
    "l": 22.353
  },
  "oklch": {
    "l": 0.33576,
    "c": 0.13976,
    "h": 321
  },
  "luminance": 0.03195
}

Semantic roles & 50–950 ramp

primary

#551161

secondary

#449934

accent

#ED3B56

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0C040C

muted

#7D797D

Preview Lab

Preview with #551161

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

Preview Lab → · Contrast checker → · Palette generator →