#55188F#55188F

#55188F is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.0% C 0.178 H 301.1°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#55188F
RGB	rgb(85, 24, 143)
HSL	hsl(271, 71%, 33%)
HSV	hsv(271, 83%, 56%)
CMYK	cmyk(40.6%, 83.2%, 0%, 43.9%)
CIE-LAB	lab(25.47, 49.41, -53.20)
CIE-LCH	lch(25.47, 72.61, 312.89°)
OKLab	oklab(38.02% 0.0916 -0.1521)
OKLCH	oklch(38.02% 0.178 301.1)
XYZ	xyz(9.0296, 4.5677, 26.3872)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55188F #528F18

analogous

#19188F #55188F #8F188D

triadic

#55188F #8F5518 #188F55

tetradic

#55188F #8F1918 #528F18 #188D8F

square

#55188F #8F1918 #528F18 #188D8F

split-complementary

#55188F #8D8F18 #188F19

monochromatic

#170626 #360F5B #55188F #7421C3 #9342DF

Accessibility & contrast

On white

10.97

#55188F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#55188F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55188F

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55188F	#FFFFFF	#000000	##FFFFFF
##55188F	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C92

Deuteranopia (green-blind)

#003C8D

Tritanopia (blue-blind)

#483A55

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #55188f;
/* rgb */ color: rgb(85, 24, 143);
/* oklch */ color: oklch(38.0% 0.178 301.1);

Tailwind

colors: {
  custom: {
    50: '#8b5eb1',
    500: '#55188f',
    950: '#000000',
  },
}

SCSS

$custom: #55188f;
$custom-light: #8b5eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#55188f",
  "rgb": {
    "r": 85,
    "g": 24,
    "b": 143
  },
  "hsl": {
    "h": 270.756,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38018,
    "c": 0.17755,
    "h": 301.1
  },
  "luminance": 0.04568
}

Semantic roles & 50–950 ramp

primary

#55188F

secondary

#80C043

accent

#EE3A92

background

#F9F5FB

surface

#F1E9F6

border

#CBC5D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #55188F

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

Preview Lab → · Contrast checker → · Palette generator →