#551789#551789

#551789 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.4% C 0.172 H 303.2°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#551789
RGB	rgb(85, 23, 137)
HSL	hsl(273, 71%, 31%)
HSV	hsv(273, 83%, 54%)
CMYK	cmyk(38%, 83.2%, 0%, 46.3%)
CIE-LAB	lab(24.80, 48.33, -50.56)
CIE-LCH	lch(24.80, 69.94, 313.71°)
OKLab	oklab(37.39% 0.0943 -0.1443)
OKLCH	oklch(37.39% 0.172 303.2)
XYZ	xyz(8.5670, 4.3502, 24.0504)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.25

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551789 #4B8917

analogous

#1C1789 #551789 #891784

triadic

#551789 #895517 #178955

tetradic

#551789 #891C17 #4B8917 #178489

square

#551789 #891C17 #4B8917 #178489

split-complementary

#551789 #848917 #17891C

monochromatic

#140520 #340E55 #551789 #7620BD #943CDE

Accessibility & contrast

On white

11.23

#551789 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#551789 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551789

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551789	#FFFFFF	#000000	##FFFFFF
##551789	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8C

Deuteranopia (green-blind)

#003B87

Tritanopia (blue-blind)

#4A3751

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #551789;
/* rgb */ color: rgb(85, 23, 137);
/* oklch */ color: oklch(37.4% 0.172 303.2);

Tailwind

colors: {
  custom: {
    50: '#8b5dac',
    500: '#551789',
    950: '#000000',
  },
}

SCSS

$custom: #551789;
$custom-light: #8b5dac;
$custom-dark: #000000;

JSON

{
  "hex": "#551789",
  "rgb": {
    "r": 85,
    "g": 23,
    "b": 137
  },
  "hsl": {
    "h": 272.632,
    "s": 71.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37387,
    "c": 0.17239,
    "h": 303.2
  },
  "luminance": 0.0435
}

Semantic roles & 50–950 ramp

primary

#551789

secondary

#78BD3F

accent

#EE3A8C

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551789

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

Preview Lab → · Contrast checker → · Palette generator →