#551D6F#551D6F

#551D6F is a dark, vivid purple. Relative luminance 0.040; OKLCH L 35.8% C 0.139 H 312.8°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#551D6F
RGB	rgb(85, 29, 111)
HSL	hsl(281, 59%, 27%)
HSV	hsv(281, 74%, 44%)
CMYK	cmyk(23.4%, 73.9%, 0%, 56.5%)
CIE-LAB	lab(23.53, 39.73, -36.11)
CIE-LCH	lch(23.53, 53.69, 317.73°)
OKLab	oklab(35.83% 0.0945 -0.1019)
OKLCH	oklch(35.83% 0.139 312.8)
XYZ	xyz(7.0544, 3.9579, 15.4282)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D6F #376F1D

analogous

#2C1D6F #551D6F #6F1D60

triadic

#551D6F #6F551D #1D6F55

tetradic

#551D6F #6F2C1D #376F1D #1D606F

square

#551D6F #6F2C1D #376F1D #1D606F

split-complementary

#551D6F #606F1D #1D6F2C

monochromatic

#130618 #30103E #551D6F #7A2AA0 #9E3BCC

Accessibility & contrast

On white

11.72

#551D6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#551D6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D6F

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D6F	#FFFFFF	#000000	##FFFFFF
##551D6F	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003571

Deuteranopia (green-blind)

#15396D

Tritanopia (blue-blind)

#522E44

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551d6f;
/* rgb */ color: rgb(85, 29, 111);
/* oklch */ color: oklch(35.8% 0.139 312.8);

Tailwind

colors: {
  custom: {
    50: '#885e99',
    500: '#551d6f',
    950: '#000000',
  },
}

SCSS

$custom: #551d6f;
$custom-light: #885e99;
$custom-dark: #000000;

JSON

{
  "hex": "#551d6f",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 111
  },
  "hsl": {
    "h": 280.976,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35832,
    "c": 0.13895,
    "h": 312.8
  },
  "luminance": 0.03958
}

Semantic roles & 50–950 ramp

primary

#551D6F

secondary

#63A344

accent

#E24677

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551D6F

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

Preview Lab → · Contrast checker → · Palette generator →