Hex #125e86 or rgb(18,94,134) in RGB space is the tint of bluish cian. It has hue angle of 200.69 degrees, value = 53 and saturation = 87. #125e86 can be obtained by mixing 4 colors: 5 drops of blue, 3 drops of cyan, 1 drop of white, 5 drops of black.
Nearest safe hex - #006699. Below you can see the block with #125e86 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #125e86 to the mixer and play with it.