Hex #788287 or rgb(120,130,135) in RGB space is the tint of bluish cian. It has hue angle of 200.00 degrees, value = 53 and saturation = 11. #788287 can be obtained by mixing 4 colors: 4 drops of red, 5 drops of cyan, 4 drops of white, 4 drops of black.
Nearest safe hex - #669999. Below you can see the block with #788287 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #788287 to the mixer and play with it.