#551689#551689

#551689 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.3% C 0.173 H 303.3°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#551689
RGB	rgb(85, 22, 137)
HSL	hsl(273, 72%, 31%)
HSV	hsv(273, 84%, 54%)
CMYK	cmyk(38%, 83.9%, 0%, 46.3%)
CIE-LAB	lab(24.68, 48.69, -50.76)
CIE-LCH	lch(24.68, 70.33, 313.81°)
OKLab	oklab(37.3% 0.095 -0.1449)
OKLCH	oklch(37.3% 0.173 303.3)
XYZ	xyz(8.5475, 4.3113, 24.0439)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.13

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551689 #4A8916

analogous

#1C1689 #551689 #891683

triadic

#551689 #895516 #168955

tetradic

#551689 #891C16 #4A8916 #168389

square

#551689 #891C16 #4A8916 #168389

split-complementary

#551689 #838916 #16891C

monochromatic

#140520 #340E54 #551689 #761EBE #953ADF

Accessibility & contrast

On white

11.28

#551689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#551689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551689

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551689	#FFFFFF	#000000	##FFFFFF
##551689	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398C

Deuteranopia (green-blind)

#003A87

Tritanopia (blue-blind)

#4A3651

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #551689;
/* rgb */ color: rgb(85, 22, 137);
/* oklch */ color: oklch(37.3% 0.173 303.3);

Tailwind

colors: {
  custom: {
    50: '#8b5dac',
    500: '#551689',
    950: '#000000',
  },
}

SCSS

$custom: #551689;
$custom-light: #8b5dac;
$custom-dark: #000000;

JSON

{
  "hex": "#551689",
  "rgb": {
    "r": 85,
    "g": 22,
    "b": 137
  },
  "hsl": {
    "h": 272.87,
    "s": 72.327,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37302,
    "c": 0.17329,
    "h": 303.3
  },
  "luminance": 0.04311
}

Semantic roles & 50–950 ramp

primary

#551689

secondary

#77BD3E

accent

#EF398B

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #551689

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

Preview Lab → · Contrast checker → · Palette generator →