#551D9E#551D9E

#551D9E is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.9% C 0.189 H 296.1°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#551D9E
RGB	rgb(85, 29, 158)
HSL	hsl(266, 69%, 37%)
HSV	hsv(266, 82%, 62%)
CMYK	cmyk(46.2%, 81.6%, 0%, 38%)
CIE-LAB	lab(27.51, 51.25, -59.07)
CIE-LCH	lch(27.51, 78.20, 310.95°)
OKLab	oklab(39.86% 0.083 -0.1693)
OKLCH	oklch(39.86% 0.189 296.1)
XYZ	xyz(10.3556, 5.2784, 32.8143)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D9E #669E1D

analogous

#1D259E #551D9E #961D9E

triadic

#551D9E #9E551D #1D9E55

tetradic

#551D9E #9E1D25 #669E1D #1D9E96

square

#551D9E #9E1D25 #669E1D #1D9E96

split-complementary

#551D9E #9E961D #259E1D

monochromatic

#1D0A37 #39146A #551D9E #7126D2 #9256E0

Accessibility & contrast

On white

10.22

#551D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#551D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D9E

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D9E	#FFFFFF	#000000	##FFFFFF
##551D9E	1.00	10.22	2.06	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A1

Deuteranopia (green-blind)

#003F9C

Tritanopia (blue-blind)

#40425E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #551d9e;
/* rgb */ color: rgb(85, 29, 158);
/* oklch */ color: oklch(39.9% 0.189 296.1);

Tailwind

colors: {
  custom: {
    50: '#8d61bc',
    500: '#551d9e',
    950: '#000000',
  },
}

SCSS

$custom: #551d9e;
$custom-light: #8d61bc;
$custom-dark: #000000;

JSON

{
  "hex": "#551d9e",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 158
  },
  "hsl": {
    "h": 266.047,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39864,
    "c": 0.18859,
    "h": 296.1
  },
  "luminance": 0.05279
}

Semantic roles & 50–950 ramp

primary

#551D9E

secondary

#93C354

accent

#EC3C9F

background

#F9F6FB

surface

#F1EBF6

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #551D9E

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

Preview Lab → · Contrast checker → · Palette generator →