Hex #74818b or rgb(116,129,139) in RGB space is the tint of blue. It has hue angle of 206.09 degrees, value = 55 and saturation = 17. #74818b can be obtained by mixing 4 colors: 2 drops of yellow, 3 drops of magenta, 4 drops of cyan, 2 drops of black.
Nearest safe hex - #669999. Below you can see the block with #74818b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #74818b to the mixer and play with it.