Hex #1778aa or rgb(23,120,170) in RGB space is the tint of bluish cian. It has hue angle of 200.41 degrees, value = 67 and saturation = 86. #1778aa can be obtained by mixing 4 colors: 5 drops of blue, 3 drops of cyan, 1 drop of white, 2 drops of black.
Nearest safe hex - #006699. Below you can see the block with #1778aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1778aa to the mixer and play with it.