#551C8C#551C8C

#551C8C is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.1% C 0.171 H 301.6°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#551C8C
RGB	rgb(85, 28, 140)
HSL	hsl(271, 67%, 33%)
HSV	hsv(271, 80%, 55%)
CMYK	cmyk(39.3%, 80%, 0%, 45.1%)
CIE-LAB	lab(25.73, 47.13, -50.91)
CIE-LCH	lch(25.73, 69.37, 312.80°)
OKLab	oklab(38.12% 0.0894 -0.1454)
OKLCH	oklch(38.12% 0.171 301.6)
XYZ	xyz(8.8940, 4.6552, 25.2358)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C8C #538C1C

analogous

#1D1C8C #551C8C #8C1C8B

triadic

#551C8C #8C551C #1C8C55

tetradic

#551C8C #8C1D1C #538C1C #1C8B8C

square

#551C8C #8C1D1C #538C1C #1C8B8C

split-complementary

#551C8C #8B8C1C #1C8C1D

monochromatic

#170826 #361259 #551C8C #7426BF #9348DA

Accessibility & contrast

On white

10.88

#551C8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#551C8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C8C

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C8C	#FFFFFF	#000000	##FFFFFF
##551C8C	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8F

Deuteranopia (green-blind)

#003C8A

Tritanopia (blue-blind)

#493A54

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #551c8c;
/* rgb */ color: rgb(85, 28, 140);
/* oklch */ color: oklch(38.1% 0.171 301.6);

Tailwind

colors: {
  custom: {
    50: '#8b5fae',
    500: '#551c8c',
    950: '#000000',
  },
}

SCSS

$custom: #551c8c;
$custom-light: #8b5fae;
$custom-dark: #000000;

JSON

{
  "hex": "#551c8c",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 140
  },
  "hsl": {
    "h": 270.536,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38118,
    "c": 0.17065,
    "h": 301.6
  },
  "luminance": 0.04655
}

Semantic roles & 50–950 ramp

primary

#551C8C

secondary

#81BC48

accent

#EA3E92

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551C8C

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

Preview Lab → · Contrast checker → · Palette generator →