Hex #2b4b80 or rgb(43,75,128) in RGB space is the tint of blue. It has hue angle of 217.41 degrees, value = 50 and saturation = 66. #2b4b80 can be obtained by mixing 4 colors: 1 drop of red, 3 drops of blue, 1 drop of cyan, 1 drop of black.
Nearest safe hex - #333399. Below you can see the block with #2b4b80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b4b80 to the mixer and play with it.