Hex #7898b9 or rgb(120,152,185) in RGB space is the tint of blue. It has hue angle of 210.46 degrees, value = 73 and saturation = 35. #7898b9 can be obtained by mixing 4 colors: 3 drops of red, 5 drops of blue, 4 drops of cyan, 5 drops of white.
Nearest safe hex - #6699cc. Below you can see the block with #7898b9 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #7898b9 to the mixer and play with it.