#55188B#55188B

#55188B is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.7% C 0.173 H 302.4°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#55188B
RGB	rgb(85, 24, 139)
HSL	hsl(272, 71%, 32%)
HSV	hsv(272, 83%, 55%)
CMYK	cmyk(38.8%, 82.7%, 0%, 45.5%)
CIE-LAB	lab(25.10, 48.45, -51.31)
CIE-LCH	lch(25.10, 70.57, 313.36°)
OKLab	oklab(37.65% 0.0929 -0.1465)
OKLCH	oklch(37.65% 0.174 302.4)
XYZ	xyz(8.7320, 4.4486, 24.8197)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.44

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55188B #4E8B18

analogous

#1C188B #55188B #8B1888

triadic

#55188B #8B5518 #188B55

tetradic

#55188B #8B1C18 #4E8B18 #18888B

square

#55188B #8B1C18 #4E8B18 #18888B

split-complementary

#55188B #888B18 #188B1C

monochromatic

#150623 #350F57 #55188B #7521BF #943FDE

Accessibility & contrast

On white

11.11

#55188B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#55188B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55188B

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55188B	#FFFFFF	#000000	##FFFFFF
##55188B	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003B89

Tritanopia (blue-blind)

#493852

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #55188b;
/* rgb */ color: rgb(85, 24, 139);
/* oklch */ color: oklch(37.7% 0.173 302.4);

Tailwind

colors: {
  custom: {
    50: '#8b5eae',
    500: '#55188b',
    950: '#000000',
  },
}

SCSS

$custom: #55188b;
$custom-light: #8b5eae;
$custom-dark: #000000;

JSON

{
  "hex": "#55188b",
  "rgb": {
    "r": 85,
    "g": 24,
    "b": 139
  },
  "hsl": {
    "h": 271.826,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37654,
    "c": 0.1735,
    "h": 302.4
  },
  "luminance": 0.04449
}

Semantic roles & 50–950 ramp

primary

#55188B

secondary

#7CBE40

accent

#ED3A8E

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #55188B

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

Preview Lab → · Contrast checker → · Palette generator →