#551A72#551A72

#551A72 is a dark, vivid purple. Relative luminance 0.039; OKLCH L 35.7% C 0.146 H 311.8°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#551A72
RGB	rgb(85, 26, 114)
HSL	hsl(280, 63%, 27%)
HSV	hsv(280, 77%, 45%)
CMYK	cmyk(25.4%, 77.2%, 0%, 55.3%)
CIE-LAB	lab(23.29, 41.75, -38.43)
CIE-LCH	lch(23.29, 56.75, 317.37°)
OKLab	oklab(35.73% 0.0973 -0.1087)
OKLCH	oklch(35.73% 0.146 311.8)
XYZ	xyz(7.1524, 3.8852, 16.2895)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A72 #37721A

analogous

#291A72 #551A72 #721A63

triadic

#551A72 #72551A #1A7255

tetradic

#551A72 #72291A #37721A #1A6372

square

#551A72 #72291A #37721A #1A6372

split-complementary

#551A72 #63721A #1A7229

monochromatic

#130619 #300F40 #551A72 #7A25A4 #9E35D1

Accessibility & contrast

On white

11.82

#551A72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#551A72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A72

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A72	#FFFFFF	#000000	##FFFFFF
##551A72	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003574

Deuteranopia (green-blind)

#0D3970

Tritanopia (blue-blind)

#512E45

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #551a72;
/* rgb */ color: rgb(85, 26, 114);
/* oklch */ color: oklch(35.7% 0.146 311.8);

Tailwind

colors: {
  custom: {
    50: '#885d9b',
    500: '#551a72',
    950: '#000000',
  },
}

SCSS

$custom: #551a72;
$custom-light: #885d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#551a72",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 114
  },
  "hsl": {
    "h": 280.227,
    "s": 62.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.3573,
    "c": 0.14589,
    "h": 311.8
  },
  "luminance": 0.03885
}

Semantic roles & 50–950 ramp

primary

#551A72

secondary

#63A741

accent

#E64278

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #551A72

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

Preview Lab → · Contrast checker → · Palette generator →