Hex #2e486d or rgb(46,72,109) in RGB space is the tint of blue. It has hue angle of 215.24 degrees, value = 43 and saturation = 58. #2e486d can be obtained by mixing 3 colors: 4 drops of blue, 2 drops of white, 5 drops of black.
Nearest safe hex - #333366. Below you can see the block with #2e486d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2e486d to the mixer and play with it.