#551A63#551A63

#551A63 is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.6% C 0.131 H 319.3°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#551A63
RGB	rgb(85, 26, 99)
HSL	hsl(288, 58%, 25%)
HSV	hsv(288, 74%, 39%)
CMYK	cmyk(14.1%, 73.7%, 0%, 61.2%)
CIE-LAB	lab(22.20, 38.42, -30.44)
CIE-LCH	lch(22.20, 49.01, 321.61°)
OKLab	oklab(34.61% 0.099 -0.0853)
OKLCH	oklch(34.61% 0.131 319.3)
XYZ	xyz(6.3675, 3.5712, 12.1559)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 4.42

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A63 #28631A

analogous

#311A63 #551A63 #631A4D

triadic

#551A63 #63551A #1A6355

tetradic

#551A63 #63311A #28631A #1A4D63

square

#551A63 #63311A #28631A #1A4D63

split-complementary

#551A63 #4D631A #1A6331

monochromatic

#150618 #2B0D33 #551A63 #7F2793 #A833C4

Accessibility & contrast

On white

12.25

#551A63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#551A63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A63

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A63	#FFFFFF	#000000	##FFFFFF
##551A63	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003165

Deuteranopia (green-blind)

#1F3761

Tritanopia (blue-blind)

#55283C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #551a63;
/* rgb */ color: rgb(85, 26, 99);
/* oklch */ color: oklch(34.6% 0.131 319.3);

Tailwind

colors: {
  custom: {
    50: '#885c90',
    500: '#551a63',
    950: '#000000',
  },
}

SCSS

$custom: #551a63;
$custom-light: #885c90;
$custom-dark: #000000;

JSON

{
  "hex": "#551a63",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 99
  },
  "hsl": {
    "h": 288.493,
    "s": 58.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.34609,
    "c": 0.13069,
    "h": 319.3
  },
  "luminance": 0.03571
}

Semantic roles & 50–950 ramp

primary

#551A63

secondary

#519940

accent

#E24664

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0C040C

muted

#7D797D

Preview Lab

Preview with #551A63

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

Preview Lab → · Contrast checker → · Palette generator →