Hex #154572 or rgb(21,69,114) in RGB space is the tint of blue. It has hue angle of 209.03 degrees, value = 45 and saturation = 82. #154572 can be obtained by mixing 4 colors: 1 drop of red, 5 drops of blue, 2 drops of cyan, 4 drops of black.
Nearest safe hex - #003366. Below you can see the block with #154572 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #154572 to the mixer and play with it.