Hex #2b475c or rgb(43,71,92) in RGB space is the tint of blue. It has hue angle of 205.71 degrees, value = 36 and saturation = 53. #2b475c can be obtained by mixing 4 colors: 2 drops of red, 2 drops of blue, 3 drops of cyan, 5 drops of black.
Nearest safe hex - #333366. Below you can see the block with #2b475c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b475c to the mixer and play with it.