#55188D#55188D

#55188D is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.8% C 0.176 H 301.7°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#55188D
RGB	rgb(85, 24, 141)
HSL	hsl(271, 71%, 32%)
HSV	hsv(271, 83%, 55%)
CMYK	cmyk(39.7%, 83%, 0%, 44.7%)
CIE-LAB	lab(25.28, 48.93, -52.26)
CIE-LCH	lch(25.28, 71.59, 313.12°)
OKLab	oklab(37.84% 0.0923 -0.1493)
OKLCH	oklch(37.84% 0.176 301.7)
XYZ	xyz(8.8795, 4.5076, 25.5964)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55188D #508D18

analogous

#1B188D #55188D #8D188B

triadic

#55188D #8D5518 #188D55

tetradic

#55188D #8D1B18 #508D18 #188B8D

square

#55188D #8D1B18 #508D18 #188B8D

split-complementary

#55188D #8B8D18 #188D1B

monochromatic

#160624 #350F59 #55188D #7521C1 #9341DF

Accessibility & contrast

On white

11.04

#55188D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#55188D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55188D

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55188D	#FFFFFF	#000000	##FFFFFF
##55188D	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B90

Deuteranopia (green-blind)

#003B8B

Tritanopia (blue-blind)

#493954

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #55188d;
/* rgb */ color: rgb(85, 24, 141);
/* oklch */ color: oklch(37.8% 0.176 301.7);

Tailwind

colors: {
  custom: {
    50: '#8b5eaf',
    500: '#55188d',
    950: '#000000',
  },
}

SCSS

$custom: #55188d;
$custom-light: #8b5eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#55188d",
  "rgb": {
    "r": 85,
    "g": 24,
    "b": 141
  },
  "hsl": {
    "h": 271.282,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37835,
    "c": 0.17553,
    "h": 301.7
  },
  "luminance": 0.04508
}

Semantic roles & 50–950 ramp

primary

#55188D

secondary

#7EBF42

accent

#EE3A90

background

#F8F5FA

surface

#F0E9F5

border

#CBC5CF

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #55188D

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

Preview Lab → · Contrast checker → · Palette generator →