#551481#551481

#551481 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.4% C 0.167 H 306.3°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#551481
RGB	rgb(85, 20, 129)
HSL	hsl(276, 73%, 29%)
HSV	hsv(276, 84%, 51%)
CMYK	cmyk(34.1%, 84.5%, 0%, 49.4%)
CIE-LAB	lab(23.73, 47.50, -47.28)
CIE-LCH	lch(23.73, 67.02, 315.13°)
OKLab	oklab(36.42% 0.099 -0.1347)
OKLCH	oklch(36.42% 0.167 306.3)
XYZ	xyz(7.9580, 4.0167, 21.1207)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.99

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551481 #408114

analogous

#1F1481 #551481 #811477

triadic

#551481 #815514 #148155

tetradic

#551481 #811F14 #408114 #147781

square

#551481 #811F14 #408114 #147781

split-complementary

#551481 #778114 #14811F

monochromatic

#11041A #320C4C #551481 #781CB6 #9930DF

Accessibility & contrast

On white

11.64

#551481 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#551481 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551481

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551481	#FFFFFF	#000000	##FFFFFF
##551481	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003784

Deuteranopia (green-blind)

#00397F

Tritanopia (blue-blind)

#4D324C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551481;
/* rgb */ color: rgb(85, 20, 129);
/* oklch */ color: oklch(36.4% 0.167 306.3);

Tailwind

colors: {
  custom: {
    50: '#8a5ba6',
    500: '#551481',
    950: '#000000',
  },
}

SCSS

$custom: #551481;
$custom-light: #8a5ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#551481",
  "rgb": {
    "r": 85,
    "g": 20,
    "b": 129
  },
  "hsl": {
    "h": 275.78,
    "s": 73.154,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36424,
    "c": 0.16717,
    "h": 306.3
  },
  "luminance": 0.04017
}

Semantic roles & 50–950 ramp

primary

#551481

secondary

#6DB63B

accent

#F03882

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #551481

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

Preview Lab → · Contrast checker → · Palette generator →