#551682#551682

#551682 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.7% C 0.166 H 305.8°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#551682
RGB	rgb(85, 22, 130)
HSL	hsl(275, 71%, 30%)
HSV	hsv(275, 83%, 51%)
CMYK	cmyk(34.6%, 83.1%, 0%, 49%)
CIE-LAB	lab(24.05, 47.04, -47.38)
CIE-LCH	lch(24.05, 66.76, 314.79°)
OKLab	oklab(36.68% 0.0972 -0.135)
OKLCH	oklch(36.68% 0.166 305.8)
XYZ	xyz(8.0616, 4.1169, 21.4847)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.17

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551682 #438216

analogous

#1F1682 #551682 #821679

triadic

#551682 #825516 #168255

tetradic

#551682 #821F16 #438216 #167982

square

#551682 #821F16 #438216 #167982

split-complementary

#551682 #798216 #16821F

monochromatic

#11041A #330D4E #551682 #771FB6 #9735DD

Accessibility & contrast

On white

11.52

#551682 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#551682 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551682

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551682	#FFFFFF	#000000	##FFFFFF
##551682	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003785

Deuteranopia (green-blind)

#003980

Tritanopia (blue-blind)

#4D334D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #551682;
/* rgb */ color: rgb(85, 22, 130);
/* oklch */ color: oklch(36.7% 0.166 305.8);

Tailwind

colors: {
  custom: {
    50: '#8a5ca7',
    500: '#551682',
    950: '#000000',
  },
}

SCSS

$custom: #551682;
$custom-light: #8a5ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#551682",
  "rgb": {
    "r": 85,
    "g": 22,
    "b": 130
  },
  "hsl": {
    "h": 275,
    "s": 71.053,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36679,
    "c": 0.16632,
    "h": 305.8
  },
  "luminance": 0.04117
}

Semantic roles & 50–950 ramp

primary

#551682

secondary

#70B73D

accent

#EE3A85

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0410

muted

#7D797F

Preview Lab

Preview with #551682

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

Preview Lab → · Contrast checker → · Palette generator →