#551580#551580

#551580 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.4% C 0.165 H 306.6°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#551580
RGB	rgb(85, 21, 128)
HSL	hsl(276, 72%, 29%)
HSV	hsv(276, 84%, 50%)
CMYK	cmyk(33.6%, 83.6%, 0%, 49.8%)
CIE-LAB	lab(23.76, 46.93, -46.60)
CIE-LCH	lch(23.76, 66.13, 315.20°)
OKLab	oklab(36.42% 0.0986 -0.1327)
OKLCH	oklch(36.42% 0.165 306.6)
XYZ	xyz(7.9099, 4.0262, 20.7783)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.16

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551580 #408015

analogous

#201580 #551580 #801576

triadic

#551580 #805515 #158055

tetradic

#551580 #802015 #408015 #157680

square

#551580 #802015 #408015 #157680

split-complementary

#551580 #768015 #158020

monochromatic

#11041A #320C4B #551580 #781EB5 #9932DD

Accessibility & contrast

On white

11.63

#551580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#551580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551580

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551580	#FFFFFF	#000000	##FFFFFF
##551580	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003783

Deuteranopia (green-blind)

#00397E

Tritanopia (blue-blind)

#4D324B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #551580;
/* rgb */ color: rgb(85, 21, 128);
/* oklch */ color: oklch(36.4% 0.165 306.6);

Tailwind

colors: {
  custom: {
    50: '#8a5ca6',
    500: '#551580',
    950: '#000000',
  },
}

SCSS

$custom: #551580;
$custom-light: #8a5ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#551580",
  "rgb": {
    "r": 85,
    "g": 21,
    "b": 128
  },
  "hsl": {
    "h": 275.888,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36419,
    "c": 0.16528,
    "h": 306.6
  },
  "luminance": 0.04026
}

Semantic roles & 50–950 ramp

primary

#551580

secondary

#6DB53C

accent

#EF3982

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #551580

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

Preview Lab → · Contrast checker → · Palette generator →