Hex #74898b or rgb(116,137,139) in RGB space is the tint of cyan. It has hue angle of 185.22 degrees, value = 55 and saturation = 17. #74898b can be obtained by mixing 3 colors: 1 drop of cyan, 5 drops of white, 5 drops of black.
Nearest safe hex - #669999. Below you can see the block with #74898b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #74898b to the mixer and play with it.