Hex #125886 or rgb(18,88,134) in RGB space is the tint of blue. It has hue angle of 203.79 degrees, value = 53 and saturation = 87. #125886 can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of blue, 4 drops of cyan, 5 drops of black.
Nearest safe hex - #006699. Below you can see the block with #125886 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #125886 to the mixer and play with it.