Hex #506880 or rgb(80,104,128) in RGB space is the tint of blue. It has hue angle of 210.00 degrees, value = 50 and saturation = 38. #506880 can be obtained by mixing 4 colors: 5 drops of magenta, 4 drops of blue, 2 drops of cyan, 5 drops of green.
Nearest safe hex - #666699. Below you can see the block with #506880 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #506880 to the mixer and play with it.