#551778#551778

#551778 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.9% C 0.155 H 309.6°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#551778
RGB	rgb(85, 23, 120)
HSL	hsl(278, 68%, 28%)
HSV	hsv(278, 81%, 47%)
CMYK	cmyk(29.2%, 80.8%, 0%, 52.9%)
CIE-LAB	lab(23.34, 44.34, -42.20)
CIE-LCH	lch(23.34, 61.21, 316.42°)
OKLab	oklab(35.92% 0.099 -0.1197)
OKLCH	oklch(35.92% 0.155 309.6)
XYZ	xyz(7.4422, 3.9003, 18.1264)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551778 #3A7817

analogous

#251778 #551778 #78176A

triadic

#551778 #785517 #177855

tetradic

#551778 #782517 #3A7817 #176A78

square

#551778 #782517 #3A7817 #176A78

split-complementary

#551778 #6A7817 #177825

monochromatic

#12051A #310D45 #551778 #7921AB #9C32D8

Accessibility & contrast

On white

11.80

#551778 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#551778 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551778

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551778	#FFFFFF	#000000	##FFFFFF
##551778	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357B

Deuteranopia (green-blind)

#003876

Tritanopia (blue-blind)

#502F47

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551778;
/* rgb */ color: rgb(85, 23, 120);
/* oklch */ color: oklch(35.9% 0.155 309.6);

Tailwind

colors: {
  custom: {
    50: '#895ca0',
    500: '#551778',
    950: '#000000',
  },
}

SCSS

$custom: #551778;
$custom-light: #895ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#551778",
  "rgb": {
    "r": 85,
    "g": 23,
    "b": 120
  },
  "hsl": {
    "h": 278.351,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35916,
    "c": 0.15536,
    "h": 309.6
  },
  "luminance": 0.039
}

Semantic roles & 50–950 ramp

primary

#551778

secondary

#66AD3E

accent

#EB3D7C

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040F

muted

#7D797E

Preview Lab

Preview with #551778

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

Preview Lab → · Contrast checker → · Palette generator →