Hex #144d7d or rgb(20,77,125) in RGB space is the tint of blue. It has hue angle of 207.43 degrees, value = 49 and saturation = 84. #144d7d can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of blue, 3 drops of cyan, 5 drops of black.
Nearest safe hex - #006666. Below you can see the block with #144d7d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #144d7d to the mixer and play with it.