#551D68#551D68

#551D68 is a dark, vivid purple. Relative luminance 0.038; OKLCH L 35.3% C 0.132 H 316.3°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#551D68
RGB	rgb(85, 29, 104)
HSL	hsl(285, 56%, 26%)
HSV	hsv(285, 72%, 41%)
CMYK	cmyk(18.3%, 72.1%, 0%, 59.2%)
CIE-LAB	lab(23.03, 38.14, -32.38)
CIE-LCH	lch(23.03, 50.03, 319.67°)
OKLab	oklab(35.32% 0.0951 -0.091)
OKLCH	oklch(35.32% 0.132 316.3)
XYZ	xyz(6.6840, 3.8098, 13.4773)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D68 #30681D

analogous

#2F1D68 #551D68 #681D55

triadic

#551D68 #68551D #1D6855

tetradic

#551D68 #682F1D #30681D #1D5568

square

#551D68 #682F1D #30681D #1D5568

split-complementary

#551D68 #55681D #1D682F

monochromatic

#140718 #2E1038 #551D68 #7C2A98 #A338C7

Accessibility & contrast

On white

11.92

#551D68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#551D68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D68

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D68	#FFFFFF	#000000	##FFFFFF
##551D68	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00346A

Deuteranopia (green-blind)

#1D3966

Tritanopia (blue-blind)

#542C40

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #551d68;
/* rgb */ color: rgb(85, 29, 104);
/* oklch */ color: oklch(35.3% 0.132 316.3);

Tailwind

colors: {
  custom: {
    50: '#885e93',
    500: '#551d68',
    950: '#000000',
  },
}

SCSS

$custom: #551d68;
$custom-light: #885e93;
$custom-dark: #000000;

JSON

{
  "hex": "#551d68",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 104
  },
  "hsl": {
    "h": 284.8,
    "s": 56.391,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35316,
    "c": 0.13163,
    "h": 316.3
  },
  "luminance": 0.0381
}

Semantic roles & 50–950 ramp

primary

#551D68

secondary

#5B9D44

accent

#E0486F

background

#F8F5F9

surface

#F0E9F1

border

#CBC5CB

text

#0C050D

muted

#7D797E

Preview Lab

Preview with #551D68

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

Preview Lab → · Contrast checker → · Palette generator →