Hex #125d92 or rgb(18,93,146) in RGB space is the tint of blue. It has hue angle of 204.84 degrees, value = 57 and saturation = 88. #125d92 can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of blue, 4 drops of cyan, 4 drops of black.
Nearest safe hex - #006699. Below you can see the block with #125d92 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #125d92 to the mixer and play with it.