Hex #126480 or rgb(18,100,128) in RGB space is the tint of bluish cian. It has hue angle of 195.27 degrees, value = 50 and saturation = 86. #126480 can be obtained by mixing 4 colors: 1 drop of red, 3 drops of blue, 5 drops of cyan, 5 drops of black.
Nearest safe hex - #006699. Below you can see the block with #126480 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #126480 to the mixer and play with it.