#551F68#551F68

#551F68 is a dark, vivid purple. Relative luminance 0.039; OKLCH L 35.6% C 0.129 H 316.0°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#551F68
RGB	rgb(85, 31, 104)
HSL	hsl(284, 54%, 26%)
HSV	hsv(284, 70%, 41%)
CMYK	cmyk(18.3%, 70.2%, 0%, 59.2%)
CIE-LAB	lab(23.38, 37.18, -31.83)
CIE-LCH	lch(23.38, 48.94, 319.44°)
OKLab	oklab(35.56% 0.0927 -0.0894)
OKLCH	oklch(35.56% 0.129 316)
XYZ	xyz(6.7346, 3.9110, 13.4942)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 5.72

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F68 #32681F

analogous

#311F68 #551F68 #681F57

triadic

#551F68 #68551F #1F6855

tetradic

#551F68 #68311F #32681F #1F5768

square

#551F68 #68311F #32681F #1F5768

split-complementary

#551F68 #57681F #1F6831

monochromatic

#130718 #2E1139 #551F68 #7C2D97 #A13CC5

Accessibility & contrast

On white

11.78

#551F68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#551F68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F68

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F68	#FFFFFF	#000000	##FFFFFF
##551F68	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00346A

Deuteranopia (green-blind)

#1F3966

Tritanopia (blue-blind)

#542D40

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551f68;
/* rgb */ color: rgb(85, 31, 104);
/* oklch */ color: oklch(35.6% 0.129 316.0);

Tailwind

colors: {
  custom: {
    50: '#885f93',
    500: '#551f68',
    950: '#000000',
  },
}

SCSS

$custom: #551f68;
$custom-light: #885f93;
$custom-dark: #000000;

JSON

{
  "hex": "#551f68",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 104
  },
  "hsl": {
    "h": 284.384,
    "s": 54.074,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35562,
    "c": 0.12874,
    "h": 316
  },
  "luminance": 0.03911
}

Semantic roles & 50–950 ramp

primary

#551F68

secondary

#5D9C46

accent

#DD4A71

background

#F8F5F9

surface

#F0E9F1

border

#CBC5CB

text

#0C050D

muted

#7D797E

Preview Lab

Preview with #551F68

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

Preview Lab → · Contrast checker → · Palette generator →