Hex #445772 or rgb(68,87,114) in RGB space is the tint of blue. It has hue angle of 215.22 degrees, value = 45 and saturation = 40. #445772 can be obtained by mixing 4 colors: 4 drops of magenta, 4 drops of cyan, 2 drops of green, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #445772 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #445772 to the mixer and play with it.