#551973#551973

#551973 is a dark, vivid purple. Relative luminance 0.039; OKLCH L 35.7% C 0.148 H 311.5°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#551973
RGB	rgb(85, 25, 115)
HSL	hsl(280, 64%, 27%)
HSV	hsv(280, 78%, 45%)
CMYK	cmyk(26.1%, 78.3%, 0%, 54.9%)
CIE-LAB	lab(23.22, 42.40, -39.19)
CIE-LCH	lch(23.22, 57.74, 317.25°)
OKLab	oklab(35.71% 0.0981 -0.1109)
OKLCH	oklch(35.71% 0.148 311.5)
XYZ	xyz(7.1879, 3.8645, 16.5836)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551973 #377319

analogous

#281973 #551973 #731964

triadic

#551973 #735519 #197355

tetradic

#551973 #732819 #377319 #196473

square

#551973 #732819 #377319 #196473

split-complementary

#551973 #647319 #197328

monochromatic

#130519 #300E41 #551973 #7A24A5 #9E34D3

Accessibility & contrast

On white

11.85

#551973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#551973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551973

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551973	#FFFFFF	#000000	##FFFFFF
##551973	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003576

Deuteranopia (green-blind)

#093871

Tritanopia (blue-blind)

#512E45

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #551973;
/* rgb */ color: rgb(85, 25, 115);
/* oklch */ color: oklch(35.7% 0.148 311.5);

Tailwind

colors: {
  custom: {
    50: '#895d9c',
    500: '#551973',
    950: '#000000',
  },
}

SCSS

$custom: #551973;
$custom-light: #895d9c;
$custom-dark: #000000;

JSON

{
  "hex": "#551973",
  "rgb": {
    "r": 85,
    "g": 25,
    "b": 115
  },
  "hsl": {
    "h": 280,
    "s": 64.286,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35705,
    "c": 0.1481,
    "h": 311.5
  },
  "luminance": 0.03864
}

Semantic roles & 50–950 ramp

primary

#551973

secondary

#63A840

accent

#E74178

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #551973

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

Preview Lab → · Contrast checker → · Palette generator →