Hex #2b5580 or rgb(43,85,128) in RGB space is the tint of blue. It has hue angle of 210.35 degrees, value = 50 and saturation = 66. #2b5580 can be obtained by mixing 4 colors: 2 drops of magenta, 1 drop of blue, 4 drops of cyan, 5 drops of black.
Nearest safe hex - #336699. Below you can see the block with #2b5580 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b5580 to the mixer and play with it.