Hex #554b83 or rgb(85,75,131) in RGB space is the tint of purple violet. It has hue angle of 250.71 degrees, value = 51 and saturation = 43. #554b83 can be obtained by mixing 4 colors: 2 drops of magenta, 5 drops of blue, 3 drops of white, 5 drops of black.
Nearest safe hex - #663399. Below you can see the block with #554b83 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #554b83 to the mixer and play with it.