#551E66#551E66

#551E66 is a dark, vivid purple. Relative luminance 0.038; OKLCH L 35.3% C 0.128 H 317.2°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#551E66
RGB	rgb(85, 30, 102)
HSL	hsl(286, 55%, 26%)
HSV	hsv(286, 71%, 40%)
CMYK	cmyk(16.7%, 70.6%, 0%, 60%)
CIE-LAB	lab(23.07, 37.22, -31.02)
CIE-LCH	lch(23.07, 48.45, 320.19°)
OKLab	oklab(35.3% 0.094 -0.087)
OKLCH	oklch(35.3% 0.128 317.2)
XYZ	xyz(6.6085, 3.8194, 12.9569)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 5.31

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551E66 #2F661E

analogous

#311E66 #551E66 #661E53

triadic

#551E66 #66551E #1E6655

tetradic

#551E66 #66311E #2F661E #1E5366

square

#551E66 #66311E #2F661E #1E5366

split-complementary

#551E66 #53661E #1E6631

monochromatic

#140718 #2E1037 #551E66 #7C2C95 #A43AC5

Accessibility & contrast

On white

11.91

#551E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#551E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551E66

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551E66	#FFFFFF	#000000	##FFFFFF
##551E66	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#013468

Deuteranopia (green-blind)

#203964

Tritanopia (blue-blind)

#542B3F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #551e66;
/* rgb */ color: rgb(85, 30, 102);
/* oklch */ color: oklch(35.3% 0.128 317.2);

Tailwind

colors: {
  custom: {
    50: '#875f92',
    500: '#551e66',
    950: '#000000',
  },
}

SCSS

$custom: #551e66;
$custom-light: #875f92;
$custom-dark: #000000;

JSON

{
  "hex": "#551e66",
  "rgb": {
    "r": 85,
    "g": 30,
    "b": 102
  },
  "hsl": {
    "h": 285.833,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35295,
    "c": 0.12809,
    "h": 317.2
  },
  "luminance": 0.03819
}

Semantic roles & 50–950 ramp

primary

#551E66

secondary

#599B45

accent

#DE4A6D

background

#F8F5F9

surface

#F0E9F1

border

#CBC5CB

text

#0C050D

muted

#7D797E

Preview Lab

Preview with #551E66

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

Preview Lab → · Contrast checker → · Palette generator →