#55187D#55187D

#55187D is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.4% C 0.159 H 307.4°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#55187D
RGB	rgb(85, 24, 125)
HSL	hsl(276, 68%, 29%)
HSV	hsv(276, 81%, 49%)
CMYK	cmyk(32%, 80.8%, 0%, 51%)
CIE-LAB	lab(23.89, 45.11, -44.49)
CIE-LCH	lch(23.89, 63.36, 315.40°)
OKLab	oklab(36.43% 0.0969 -0.1265)
OKLCH	oklch(36.43% 0.159 307.4)
XYZ	xyz(7.7738, 4.0653, 19.7732)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.74

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55187D #407D18

analogous

#23187D #55187D #7D1873

triadic

#55187D #7D5518 #187D55

tetradic

#55187D #7D2318 #407D18 #18737D

square

#55187D #7D2318 #407D18 #18737D

split-complementary

#55187D #737D18 #187D23

monochromatic

#11051A #320E4A #55187D #7822B0 #9937D9

Accessibility & contrast

On white

11.58

#55187D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#55187D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55187D

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55187D	#FFFFFF	#000000	##FFFFFF
##55187D	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003780

Deuteranopia (green-blind)

#00397B

Tritanopia (blue-blind)

#4E324A

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #55187d;
/* rgb */ color: rgb(85, 24, 125);
/* oklch */ color: oklch(36.4% 0.159 307.4);

Tailwind

colors: {
  custom: {
    50: '#895da3',
    500: '#55187d',
    950: '#000000',
  },
}

SCSS

$custom: #55187d;
$custom-light: #895da3;
$custom-dark: #000000;

JSON

{
  "hex": "#55187d",
  "rgb": {
    "r": 85,
    "g": 24,
    "b": 125
  },
  "hsl": {
    "h": 276.238,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36429,
    "c": 0.15934,
    "h": 307.4
  },
  "luminance": 0.04065
}

Semantic roles & 50–950 ramp

primary

#55187D

secondary

#6DB23F

accent

#EB3D82

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #55187D

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

Preview Lab → · Contrast checker → · Palette generator →