Hex #74888b or rgb(116,136,139) in RGB space is the tint of bluish cian. It has hue angle of 187.83 degrees, value = 55 and saturation = 17. #74888b can be obtained by mixing 4 colors: 1 drop of red, 2 drops of cyan, 4 drops of white, 4 drops of black.
Nearest safe hex - #669999. Below you can see the block with #74888b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #74888b to the mixer and play with it.