Hex #405175 or rgb(64,81,117) in RGB space is the tint of blue violet. It has hue angle of 220.75 degrees, value = 46 and saturation = 45. #405175 can be obtained by mixing 4 colors: 4 drops of red, 5 drops of blue, 4 drops of cyan, 3 drops of black.
Nearest safe hex - #336666. Below you can see the block with #405175 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #405175 to the mixer and play with it.