Hex #554b80 or rgb(85,75,128) in RGB space is the tint of purple violet. It has hue angle of 251.32 degrees, value = 50 and saturation = 41. #554b80 can be obtained by mixing 3 colors: 4 drops of magenta, 5 drops of blue, 3 drops of green.
Nearest safe hex - #663399. Below you can see the block with #554b80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #554b80 to the mixer and play with it.