Hex #145f90 or rgb(20,95,144) in RGB space is the tint of blue. It has hue angle of 203.71 degrees, value = 56 and saturation = 86. #145f90 can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of blue, 4 drops of cyan, 4 drops of black.
Nearest safe hex - #006699. Below you can see the block with #145f90 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #145f90 to the mixer and play with it.