#551D90#551D90

#551D90 is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.6% C 0.174 H 300.2°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#551D90
RGB	rgb(85, 29, 144)
HSL	hsl(269, 66%, 34%)
HSV	hsv(269, 80%, 56%)
CMYK	cmyk(41%, 79.9%, 0%, 43.5%)
CIE-LAB	lab(26.23, 47.72, -52.58)
CIE-LCH	lch(26.23, 71.00, 312.23°)
OKLab	oklab(38.57% 0.0874 -0.1503)
OKLCH	oklch(38.57% 0.174 300.2)
XYZ	xyz(9.2185, 4.8235, 26.8255)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D90 #58901D

analogous

#1D1F90 #551D90 #8F1D90

triadic

#551D90 #90551D #1D9055

tetradic

#551D90 #901D1F #58901D #1D908F

square

#551D90 #901D1F #58901D #1D908F

split-complementary

#551D90 #908F1D #1F901D

monochromatic

#19082A #37135D #551D90 #7327C3 #924CDB

Accessibility & contrast

On white

10.69

#551D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#551D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D90

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D90	#FFFFFF	#000000	##FFFFFF
##551D90	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E93

Deuteranopia (green-blind)

#003D8E

Tritanopia (blue-blind)

#473C56

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #551d90;
/* rgb */ color: rgb(85, 29, 144);
/* oklch */ color: oklch(38.6% 0.174 300.2);

Tailwind

colors: {
  custom: {
    50: '#8b60b1',
    500: '#551d90',
    950: '#000000',
  },
}

SCSS

$custom: #551d90;
$custom-light: #8b60b1;
$custom-dark: #000000;

JSON

{
  "hex": "#551d90",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 144
  },
  "hsl": {
    "h": 269.217,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38575,
    "c": 0.17385,
    "h": 300.2
  },
  "luminance": 0.04824
}

Semantic roles & 50–950 ramp

primary

#551D90

secondary

#86BD4B

accent

#E93E96

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0D0511

muted

#7D7980

Preview Lab

Preview with #551D90

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

Preview Lab → · Contrast checker → · Palette generator →