#551D8F#551D8F

#551D8F is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.5% C 0.173 H 300.5°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX#551D8F
RGBrgb(85, 29, 143)
HSLhsl(269, 66%, 34%)
HSVhsv(269, 80%, 56%)
CMYKcmyk(40.6%, 79.7%, 0%, 43.9%)
CIE-LABlab(26.14, 47.47, -52.10)
CIE-LCHlch(26.14, 70.48, 312.34°)
OKLaboklab(38.49% 0.0877 -0.1489)
OKLCHoklch(38.49% 0.173 300.5)
XYZxyz(9.1424, 4.7931, 26.4248)
Luminance0.0479 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#551D8F #578F1D
analogous
#1D1E8F #551D8F #8E1D8F
triadic
#551D8F #8F551D #1D8F55
tetradic
#551D8F #8F1D1E #578F1D #1D8F8E
square
#551D8F #8F1D1E #578F1D #1D8F8E
split-complementary
#551D8F #8F8E1D #1E8F1D
monochromatic
#190829 #37135C #551D8F #7327C2 #924CDB

Accessibility & contrast

On white

10.72
#551D8F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.96
#551D8F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D8F
10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##551D8F#FFFFFF#000000##FFFFFF
##551D8F1.0010.721.9610.72
#FFFFFF10.721.0021.001.00
#0000001.9621.001.0021.00
##FFFFFF10.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003D92
Deuteranopia (green-blind)
#003D8D
Tritanopia (blue-blind)
#483C56
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #551d8f;
/* rgb */ color: rgb(85, 29, 143);
/* oklch */ color: oklch(38.5% 0.173 300.5);
Tailwind
colors: {
  custom: {
    50: '#8b60b1',
    500: '#551d8f',
    950: '#000000',
  },
}
SCSS
$custom: #551d8f;
$custom-light: #8b60b1;
$custom-dark: #000000;
JSON
{
  "hex": "#551d8f",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 143
  },
  "hsl": {
    "h": 269.474,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38485,
    "c": 0.17279,
    "h": 300.5
  },
  "luminance": 0.04793
}

Semantic roles & 50–950 ramp

primary
#551D8F
secondary
#85BD4B
accent
#E93F95
background
#F8F5FB
surface
#F0EAF6
border
#CBC6D0
text
#0D0511
muted
#7D7980

Preview Lab

Preview with #551D8F

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

Preview Lab → · Contrast checker → · Palette generator →

#551D8F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva