Hex #507595 or rgb(80,117,149) in RGB space is the tint of blue. It has hue angle of 207.83 degrees, value = 58 and saturation = 46. #507595 can be obtained by mixing 4 colors: 5 drops of blue, 1 drop of cyan, 5 drops of white, 5 drops of black.
Nearest safe hex - #666699. Below you can see the block with #507595 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #507595 to the mixer and play with it.