Hex #4d579a or rgb(77,87,154) in RGB space is the tint of blue violet. It has hue angle of 232.21 degrees, value = 60 and saturation = 50. #4d579a can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of blue, 2 drops of white, 2 drops of black.
Nearest safe hex - #666699. Below you can see the block with #4d579a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4d579a to the mixer and play with it.