Hex #5d6d74 or rgb(93,109,116) in RGB space is the tint of bluish cian. It has hue angle of 198.26 degrees, value = 45 and saturation = 20. #5d6d74 can be obtained by mixing 4 colors: 3 drops of red, 4 drops of cyan, 1 drop of white, 3 drops of black.
Nearest safe hex - #666666. Below you can see the block with #5d6d74 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5d6d74 to the mixer and play with it.