#551F75#551F75

#551F75 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.5% C 0.143 H 309.8°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX#551F75
RGBrgb(85, 31, 117)
HSLhsl(278, 58%, 29%)
HSVhsv(278, 74%, 46%)
CMYKcmyk(27.4%, 73.5%, 0%, 54.1%)
CIE-LABlab(24.31, 40.21, -38.71)
CIE-LCHlch(24.31, 55.81, 316.09°)
OKLaboklab(36.53% 0.0914 -0.1096)
OKLCHoklch(36.53% 0.143 309.8)
XYZxyz(7.4466, 4.1958, 17.2438)
Luminance0.0420 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#551F75 #3F751F
analogous
#2A1F75 #551F75 #751F6A
triadic
#551F75 #75551F #1F7555
tetradic
#551F75 #752A1F #3F751F #1F6A75
square
#551F75 #752A1F #3F751F #1F6A75
split-complementary
#551F75 #6A751F #1F752A
monochromatic
#120618 #321245 #551F75 #782CA5 #9942CD

Accessibility & contrast

On white

11.42
#551F75 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.84
#551F75 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F75
11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##551F75#FFFFFF#000000##FFFFFF
##551F751.0011.421.8411.42
#FFFFFF11.421.0021.001.00
#0000001.8421.001.0021.00
##FFFFFF11.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003777
Deuteranopia (green-blind)
#0F3B73
Tritanopia (blue-blind)
#503248
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #551f75;
/* rgb */ color: rgb(85, 31, 117);
/* oklch */ color: oklch(36.5% 0.143 309.8);
Tailwind
colors: {
  custom: {
    50: '#88609d',
    500: '#551f75',
    950: '#000000',
  },
}
SCSS
$custom: #551f75;
$custom-light: #88609d;
$custom-dark: #000000;
JSON
{
  "hex": "#551f75",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 117
  },
  "hsl": {
    "h": 277.674,
    "s": 58.108,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36527,
    "c": 0.14269,
    "h": 309.8
  },
  "luminance": 0.04196
}

Semantic roles & 50–950 ramp

primary
#551F75
secondary
#6BA947
accent
#E14680
background
#F8F5F9
surface
#F0EAF2
border
#CBC6CC
text
#0C050E
muted
#7D797E

Preview Lab

Preview with #551F75

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

Preview Lab → · Contrast checker → · Palette generator →

#551F75 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva