Hex #5d7174 or rgb(93,113,116) in RGB space is the tint of bluish cian. It has hue angle of 187.83 degrees, value = 45 and saturation = 20. #5d7174 can be obtained by mixing 4 colors: 1 drop of red, 2 drops of cyan, 3 drops of white, 5 drops of black.
Nearest safe hex - #666666. Below you can see the block with #5d7174 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5d7174 to the mixer and play with it.