Hex #2b709c or rgb(43,112,156) in RGB space is the tint of blue. It has hue angle of 203.36 degrees, value = 61 and saturation = 72. #2b709c can be obtained by mixing 4 colors: 5 drops of blue, 2 drops of cyan, 2 drops of white, 3 drops of black.
Nearest safe hex - #336699. Below you can see the block with #2b709c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b709c to the mixer and play with it.