#551D72#551D72

#551D72 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.1% C 0.142 H 311.4°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#551D72
RGB	rgb(85, 29, 114)
HSL	hsl(280, 59%, 28%)
HSV	hsv(280, 75%, 45%)
CMYK	cmyk(25.4%, 74.6%, 0%, 55.3%)
CIE-LAB	lab(23.75, 40.43, -37.68)
CIE-LCH	lch(23.75, 55.26, 317.01°)
OKLab	oklab(36.06% 0.0941 -0.1065)
OKLCH	oklch(36.06% 0.142 311.4)
XYZ	xyz(7.2224, 4.0251, 16.3128)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D72 #3A721D

analogous

#2A1D72 #551D72 #721D65

triadic

#551D72 #72551D #1D7255

tetradic

#551D72 #722A1D #3A721D #1D6572

square

#551D72 #722A1D #3A721D #1D6572

split-complementary

#551D72 #65721D #1D722A

monochromatic

#120618 #311141 #551D72 #7929A3 #9C3CCD

Accessibility & contrast

On white

11.63

#551D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#551D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D72

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D72	#FFFFFF	#000000	##FFFFFF
##551D72	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003674

Deuteranopia (green-blind)

#113A70

Tritanopia (blue-blind)

#513045

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #551d72;
/* rgb */ color: rgb(85, 29, 114);
/* oklch */ color: oklch(36.1% 0.142 311.4);

Tailwind

colors: {
  custom: {
    50: '#885f9b',
    500: '#551d72',
    950: '#000000',
  },
}

SCSS

$custom: #551d72;
$custom-light: #885f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#551d72",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 114
  },
  "hsl": {
    "h": 279.529,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36061,
    "c": 0.14211,
    "h": 311.4
  },
  "luminance": 0.04025
}

Semantic roles & 50–950 ramp

primary

#551D72

secondary

#66A645

accent

#E3457B

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551D72

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

Preview Lab → · Contrast checker → · Palette generator →