#551180#551180

#551180 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.1% C 0.169 H 307.0°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#551180
RGB	rgb(85, 17, 128)
HSL	hsl(277, 77%, 28%)
HSV	hsv(277, 87%, 50%)
CMYK	cmyk(33.6%, 86.7%, 0%, 49.8%)
CIE-LAB	lab(23.31, 48.25, -47.33)
CIE-LCH	lch(23.31, 67.59, 315.55°)
OKLab	oklab(36.1% 0.1015 -0.1348)
OKLCH	oklch(36.1% 0.169 307)
XYZ	xyz(7.8422, 3.8908, 20.7558)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.77

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551180 #3C8011

analogous

#1D1180 #551180 #801173

triadic

#551180 #805511 #118055

tetradic

#551180 #801D11 #3C8011 #117380

square

#551180 #801D11 #3C8011 #117380

split-complementary

#551180 #738011 #11801D

monochromatic

#12041B #310A4A #551180 #7918B6 #9B29E3

Accessibility & contrast

On white

11.81

#551180 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#551180 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551180

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551180	#FFFFFF	#000000	##FFFFFF
##551180	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003583

Deuteranopia (green-blind)

#00387E

Tritanopia (blue-blind)

#4D304B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551180;
/* rgb */ color: rgb(85, 17, 128);
/* oklch */ color: oklch(36.1% 0.169 307.0);

Tailwind

colors: {
  custom: {
    50: '#8a5aa6',
    500: '#551180',
    950: '#000000',
  },
}

SCSS

$custom: #551180;
$custom-light: #8a5aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#551180",
  "rgb": {
    "r": 85,
    "g": 17,
    "b": 128
  },
  "hsl": {
    "h": 276.757,
    "s": 76.552,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36105,
    "c": 0.16874,
    "h": 307
  },
  "luminance": 0.03891
}

Semantic roles & 50–950 ramp

primary

#551180

secondary

#68B637

accent

#F3357E

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #551180

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

Preview Lab → · Contrast checker → · Palette generator →