Hex #115788 or rgb(17,87,136) in RGB space is the tint of blue. It has hue angle of 204.71 degrees, value = 53 and saturation = 88. #115788 can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of blue, 4 drops of cyan, 5 drops of black.
Nearest safe hex - #006699. Below you can see the block with #115788 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #115788 to the mixer and play with it.