Hex #2b4d6b or rgb(43,77,107) in RGB space is the tint of blue. It has hue angle of 208.13 degrees, value = 42 and saturation = 60. #2b4d6b can be obtained by mixing 4 colors: 2 drops of red, 3 drops of blue, 3 drops of cyan, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #2b4d6b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b4d6b to the mixer and play with it.