Hex #5b79a4 or rgb(91,121,164) in RGB space is the tint of blue. It has hue angle of 215.34 degrees, value = 64 and saturation = 45. #5b79a4 can be obtained by mixing 4 colors: 3 drops of magenta, 5 drops of cyan, 2 drops of white, 4 drops of black.
Nearest safe hex - #666699. Below you can see the block with #5b79a4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b79a4 to the mixer and play with it.