#551C84#551C84

#551C84 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.4% C 0.162 H 304.3°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#551C84
RGB	rgb(85, 28, 132)
HSL	hsl(273, 65%, 31%)
HSV	hsv(273, 79%, 52%)
CMYK	cmyk(35.6%, 78.8%, 0%, 48.2%)
CIE-LAB	lab(25.04, 45.17, -47.03)
CIE-LCH	lch(25.04, 65.21, 313.84°)
OKLab	oklab(37.42% 0.0915 -0.134)
OKLCH	oklch(37.42% 0.162 304.3)
XYZ	xyz(8.3255, 4.4278, 22.2414)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.92

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C84 #4B841C

analogous

#211C84 #551C84 #841C7F

triadic

#551C84 #84551C #1C8455

tetradic

#551C84 #84211C #4B841C #1C7F84

square

#551C84 #84211C #4B841C #1C7F84

split-complementary

#551C84 #7F841C #1C8421

monochromatic

#14071F #341152 #551C84 #7627B6 #9443D7

Accessibility & contrast

On white

11.14

#551C84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#551C84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C84

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C84	#FFFFFF	#000000	##FFFFFF
##551C84	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A87

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#4C374F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #551c84;
/* rgb */ color: rgb(85, 28, 132);
/* oklch */ color: oklch(37.4% 0.162 304.3);

Tailwind

colors: {
  custom: {
    50: '#8a5fa9',
    500: '#551c84',
    950: '#000000',
  },
}

SCSS

$custom: #551c84;
$custom-light: #8a5fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#551c84",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 132
  },
  "hsl": {
    "h": 272.885,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3742,
    "c": 0.16227,
    "h": 304.3
  },
  "luminance": 0.04428
}

Semantic roles & 50–950 ramp

primary

#551C84

secondary

#78B745

accent

#E8408C

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551C84

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

Preview Lab → · Contrast checker → · Palette generator →