#551C72#551C72

#551C72 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 35.9% C 0.143 H 311.6°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#551C72
RGB	rgb(85, 28, 114)
HSL	hsl(280, 61%, 28%)
HSV	hsv(280, 75%, 45%)
CMYK	cmyk(25.4%, 75.4%, 0%, 55.3%)
CIE-LAB	lab(23.59, 40.88, -37.94)
CIE-LCH	lch(23.59, 55.77, 317.13°)
OKLab	oklab(35.95% 0.0952 -0.1073)
OKLCH	oklch(35.95% 0.143 311.6)
XYZ	xyz(7.1983, 3.9769, 16.3048)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C72 #39721C

analogous

#2A1C72 #551C72 #721C64

triadic

#551C72 #72551C #1C7255

tetradic

#551C72 #722A1C #39721C #1C6472

square

#551C72 #722A1C #39721C #1C6472

split-complementary

#551C72 #64721C #1C722A

monochromatic

#120619 #301041 #551C72 #7A28A3 #9C3ACF

Accessibility & contrast

On white

11.70

#551C72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#551C72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C72

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C72	#FFFFFF	#000000	##FFFFFF
##551C72	1.00	11.70	1.80	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003574

Deuteranopia (green-blind)

#103970

Tritanopia (blue-blind)

#512F45

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551c72;
/* rgb */ color: rgb(85, 28, 114);
/* oklch */ color: oklch(35.9% 0.143 311.6);

Tailwind

colors: {
  custom: {
    50: '#885e9b',
    500: '#551c72',
    950: '#000000',
  },
}

SCSS

$custom: #551c72;
$custom-light: #885e9b;
$custom-dark: #000000;

JSON

{
  "hex": "#551c72",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 114
  },
  "hsl": {
    "h": 279.767,
    "s": 60.563,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35948,
    "c": 0.1434,
    "h": 311.6
  },
  "luminance": 0.03977
}

Semantic roles & 50–950 ramp

primary

#551C72

secondary

#65A643

accent

#E4447A

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551C72

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

Preview Lab → · Contrast checker → · Palette generator →