#551680#551680

#551680 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.164 H 306.5°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#551680
RGB	rgb(85, 22, 128)
HSL	hsl(276, 71%, 29%)
HSV	hsv(276, 83%, 50%)
CMYK	cmyk(33.6%, 82.8%, 0%, 49.8%)
CIE-LAB	lab(23.88, 46.57, -46.40)
CIE-LCH	lch(23.88, 65.74, 315.11°)
OKLab	oklab(36.5% 0.0978 -0.1321)
OKLCH	oklch(36.5% 0.164 306.5)
XYZ	xyz(7.9286, 4.0637, 20.7846)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.27

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551680 #418016

analogous

#201680 #551680 #801676

triadic

#551680 #805516 #168055

tetradic

#551680 #802016 #418016 #167680

square

#551680 #802016 #418016 #167680

split-complementary

#551680 #768016 #168020

monochromatic

#11041A #320D4C #551680 #781FB4 #9834DC

Accessibility & contrast

On white

11.58

#551680 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#551680 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551680

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551680	#FFFFFF	#000000	##FFFFFF
##551680	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)

#003783

Deuteranopia (green-blind)

#00397E

Tritanopia (blue-blind)

#4D324C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #551680;
/* rgb */ color: rgb(85, 22, 128);
/* oklch */ color: oklch(36.5% 0.164 306.5);

Tailwind

colors: {
  custom: {
    50: '#8a5ca6',
    500: '#551680',
    950: '#000000',
  },
}

SCSS

$custom: #551680;
$custom-light: #8a5ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#551680",
  "rgb": {
    "r": 85,
    "g": 22,
    "b": 128
  },
  "hsl": {
    "h": 275.66,
    "s": 70.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36504,
    "c": 0.16434,
    "h": 306.5
  },
  "luminance": 0.04064
}

Semantic roles & 50–950 ramp

primary

#551680

secondary

#6EB53D

accent

#ED3A83

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #551680

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

Preview Lab → · Contrast checker → · Palette generator →