Hex #154772 or rgb(21,71,114) in RGB space is the tint of blue. It has hue angle of 207.74 degrees, value = 45 and saturation = 82. #154772 can be obtained by mixing 4 colors: 5 drops of blue, 1 drop of cyan, 1 drop of white, 5 drops of black.
Nearest safe hex - #003366. Below you can see the block with #154772 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #154772 to the mixer and play with it.