#551A73#551A73

#551A73 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.8% C 0.147 H 311.4°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#551A73
RGB	rgb(85, 26, 115)
HSL	hsl(280, 63%, 28%)
HSV	hsv(280, 77%, 45%)
CMYK	cmyk(26.1%, 77.4%, 0%, 54.9%)
CIE-LAB	lab(23.37, 41.98, -38.95)
CIE-LCH	lch(23.37, 57.27, 317.14°)
OKLab	oklab(35.81% 0.0971 -0.1102)
OKLCH	oklch(35.81% 0.147 311.4)
XYZ	xyz(7.2096, 3.9081, 16.5909)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A73 #38731A

analogous

#281A73 #551A73 #731A65

triadic

#551A73 #73551A #1A7355

tetradic

#551A73 #73281A #38731A #1A6573

square

#551A73 #73281A #38731A #1A6573

split-complementary

#551A73 #65731A #1A7328

monochromatic

#120619 #300F41 #551A73 #7A25A5 #9D36D2

Accessibility & contrast

On white

11.79

#551A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#551A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A73

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A73	#FFFFFF	#000000	##FFFFFF
##551A73	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003575

Deuteranopia (green-blind)

#0A3971

Tritanopia (blue-blind)

#512E45

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551a73;
/* rgb */ color: rgb(85, 26, 115);
/* oklch */ color: oklch(35.8% 0.147 311.4);

Tailwind

colors: {
  custom: {
    50: '#895d9c',
    500: '#551a73',
    950: '#000000',
  },
}

SCSS

$custom: #551a73;
$custom-light: #895d9c;
$custom-dark: #000000;

JSON

{
  "hex": "#551a73",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 115
  },
  "hsl": {
    "h": 279.775,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35809,
    "c": 0.14691,
    "h": 311.4
  },
  "luminance": 0.03908
}

Semantic roles & 50–950 ramp

primary

#551A73

secondary

#64A841

accent

#E64279

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #551A73

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

Preview Lab → · Contrast checker → · Palette generator →