#551978#551978

#551978 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.1% C 0.153 H 309.3°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#551978
RGB	rgb(85, 25, 120)
HSL	hsl(278, 66%, 28%)
HSV	hsv(278, 79%, 47%)
CMYK	cmyk(29.2%, 79.2%, 0%, 52.9%)
CIE-LAB	lab(23.61, 43.55, -41.75)
CIE-LCH	lch(23.61, 60.33, 316.21°)
OKLab	oklab(36.11% 0.0971 -0.1185)
OKLCH	oklch(36.11% 0.153 309.3)
XYZ	xyz(7.4834, 3.9828, 18.1402)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551978 #3C7819

analogous

#261978 #551978 #78196B

triadic

#551978 #785519 #197855

tetradic

#551978 #782619 #3C7819 #196B78

square

#551978 #782619 #3C7819 #196B78

split-complementary

#551978 #6B7819 #197826

monochromatic

#120519 #310E45 #551978 #7924AB #9B36D5

Accessibility & contrast

On white

11.69

#551978 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#551978 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551978

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551978	#FFFFFF	#000000	##FFFFFF
##551978	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367B

Deuteranopia (green-blind)

#003976

Tritanopia (blue-blind)

#503048

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551978;
/* rgb */ color: rgb(85, 25, 120);
/* oklch */ color: oklch(36.1% 0.153 309.3);

Tailwind

colors: {
  custom: {
    50: '#895da0',
    500: '#551978',
    950: '#000000',
  },
}

SCSS

$custom: #551978;
$custom-light: #895da0;
$custom-dark: #000000;

JSON

{
  "hex": "#551978",
  "rgb": {
    "r": 85,
    "g": 25,
    "b": 120
  },
  "hsl": {
    "h": 277.895,
    "s": 65.517,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36109,
    "c": 0.15318,
    "h": 309.3
  },
  "luminance": 0.03983
}

Semantic roles & 50–950 ramp

primary

#551978

secondary

#68AD40

accent

#E83F7E

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040F

muted

#7D797E

Preview Lab

Preview with #551978

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

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