#551C70#551C70

#551C70 is a dark, vivid purple. Relative luminance 0.039; OKLCH L 35.8% C 0.141 H 312.5°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#551C70
RGB	rgb(85, 28, 112)
HSL	hsl(281, 60%, 27%)
HSV	hsv(281, 75%, 44%)
CMYK	cmyk(24.1%, 75%, 0%, 56.1%)
CIE-LAB	lab(23.45, 40.41, -36.89)
CIE-LCH	lch(23.45, 54.72, 317.61°)
OKLab	oklab(35.79% 0.0954 -0.1042)
OKLCH	oklch(35.79% 0.141 312.5)
XYZ	xyz(7.0857, 3.9319, 15.7118)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C70 #37701C

analogous

#2B1C70 #551C70 #701C61

triadic

#551C70 #70551C #1C7055

tetradic

#551C70 #702B1C #37701C #1C6170

square

#551C70 #702B1C #37701C #1C6170

split-complementary

#551C70 #61701C #1C702B

monochromatic

#130618 #30103F #551C70 #7A28A1 #9E39CD

Accessibility & contrast

On white

11.76

#551C70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#551C70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C70

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C70	#FFFFFF	#000000	##FFFFFF
##551C70	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003572

Deuteranopia (green-blind)

#13396E

Tritanopia (blue-blind)

#522E44

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551c70;
/* rgb */ color: rgb(85, 28, 112);
/* oklch */ color: oklch(35.8% 0.141 312.5);

Tailwind

colors: {
  custom: {
    50: '#885e9a',
    500: '#551c70',
    950: '#000000',
  },
}

SCSS

$custom: #551c70;
$custom-light: #885e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#551c70",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 112
  },
  "hsl": {
    "h": 280.714,
    "s": 60,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35794,
    "c": 0.14132,
    "h": 312.5
  },
  "luminance": 0.03932
}

Semantic roles & 50–950 ramp

primary

#551C70

secondary

#63A543

accent

#E34578

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551C70

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

Preview Lab → · Contrast checker → · Palette generator →