#55178C#55178C

#55178C is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.7% C 0.175 H 302.1°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#55178C
RGB	rgb(85, 23, 140)
HSL	hsl(272, 72%, 32%)
HSV	hsv(272, 84%, 55%)
CMYK	cmyk(39.3%, 83.6%, 0%, 45.1%)
CIE-LAB	lab(25.07, 49.05, -51.99)
CIE-LCH	lch(25.07, 71.47, 313.34°)
OKLab	oklab(37.66% 0.0933 -0.1485)
OKLCH	oklch(37.66% 0.175 302.1)
XYZ	xyz(8.7852, 4.4375, 25.1995)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55178C #4E8C17

analogous

#1B178C #55178C #8C1789

triadic

#55178C #8C5517 #178C55

tetradic

#55178C #8C1B17 #4E8C17 #17898C

square

#55178C #8C1B17 #4E8C17 #17898C

split-complementary

#55178C #898C17 #178C1B

monochromatic

#150623 #350E57 #55178C #7520C1 #943EDF

Accessibility & contrast

On white

11.13

#55178C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#55178C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55178C

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55178C	#FFFFFF	#000000	##FFFFFF
##55178C	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8F

Deuteranopia (green-blind)

#003B8A

Tritanopia (blue-blind)

#493853

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #55178c;
/* rgb */ color: rgb(85, 23, 140);
/* oklch */ color: oklch(37.7% 0.175 302.1);

Tailwind

colors: {
  custom: {
    50: '#8b5daf',
    500: '#55178c',
    950: '#000000',
  },
}

SCSS

$custom: #55178c;
$custom-light: #8b5daf;
$custom-dark: #000000;

JSON

{
  "hex": "#55178c",
  "rgb": {
    "r": 85,
    "g": 23,
    "b": 140
  },
  "hsl": {
    "h": 271.795,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37658,
    "c": 0.17541,
    "h": 302.1
  },
  "luminance": 0.04438
}

Semantic roles & 50–950 ramp

primary

#55178C

secondary

#7CBF3F

accent

#EF398E

background

#F8F5FA

surface

#F0E9F5

border

#CBC5CF

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #55178C

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

Preview Lab → · Contrast checker → · Palette generator →