Hex #5d737c or rgb(93,115,124) in RGB space is the tint of bluish cian. It has hue angle of 197.42 degrees, value = 49 and saturation = 25. #5d737c can be obtained by mixing 4 colors: 4 drops of magenta, 1 drop of blue, 2 drops of cyan, 4 drops of green.
Nearest safe hex - #666666. Below you can see the block with #5d737c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5d737c to the mixer and play with it.