Hex #5d91c2 or rgb(93,145,194) in RGB space is the tint of blue. It has hue angle of 209.11 degrees, value = 76 and saturation = 52. #5d91c2 can be obtained by mixing 4 colors: 1 drop of red, 5 drops of blue, 2 drops of cyan, 3 drops of white.
Nearest safe hex - #6699cc. Below you can see the block with #5d91c2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5d91c2 to the mixer and play with it.