Hex #1a5589 or rgb(26,85,137) in RGB space is the tint of blue. It has hue angle of 208.11 degrees, value = 54 and saturation = 81. #1a5589 can be obtained by mixing 4 colors: 5 drops of blue, 1 drop of cyan, 1 drop of white, 3 drops of black.
Nearest safe hex - #336699. Below you can see the block with #1a5589 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a5589 to the mixer and play with it.