#551790#551790

#551790 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.0% C 0.179 H 300.9°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#551790
RGB	rgb(85, 23, 144)
HSL	hsl(271, 72%, 33%)
HSV	hsv(271, 84%, 56%)
CMYK	cmyk(41%, 84%, 0%, 43.5%)
CIE-LAB	lab(25.44, 50.02, -53.87)
CIE-LCH	lch(25.44, 73.51, 312.88°)
OKLab	oklab(38.03% 0.092 -0.154)
OKLCH	oklch(38.03% 0.179 300.9)
XYZ	xyz(9.0855, 4.5576, 26.7812)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551790 #529017

analogous

#191790 #551790 #90178E

triadic

#551790 #905517 #179055

tetradic

#551790 #901917 #529017 #178E90

square

#551790 #901917 #529017 #178E90

split-complementary

#551790 #8E9017 #179019

monochromatic

#170626 #360F5B #551790 #741FC5 #9341E1

Accessibility & contrast

On white

10.99

#551790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#551790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551790

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551790	#FFFFFF	#000000	##FFFFFF
##551790	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C93

Deuteranopia (green-blind)

#003B8E

Tritanopia (blue-blind)

#473A55

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #551790;
/* rgb */ color: rgb(85, 23, 144);
/* oklch */ color: oklch(38.0% 0.179 300.9);

Tailwind

colors: {
  custom: {
    50: '#8b5eb2',
    500: '#551790',
    950: '#000000',
  },
}

SCSS

$custom: #551790;
$custom-light: #8b5eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#551790",
  "rgb": {
    "r": 85,
    "g": 23,
    "b": 144
  },
  "hsl": {
    "h": 270.744,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38025,
    "c": 0.17943,
    "h": 300.9
  },
  "luminance": 0.04558
}

Semantic roles & 50–950 ramp

primary

#551790

secondary

#80C142

accent

#EF3992

background

#F9F5FB

surface

#F1E9F6

border

#CBC5D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #551790

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

Preview Lab → · Contrast checker → · Palette generator →