Hex #5b6d7a or rgb(91,109,122) in RGB space is the tint of blue. It has hue angle of 205.16 degrees, value = 48 and saturation = 25. #5b6d7a can be obtained by mixing 4 colors: 5 drops of magenta, 2 drops of blue, 2 drops of cyan, 5 drops of green.
Nearest safe hex - #666666. Below you can see the block with #5b6d7a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b6d7a to the mixer and play with it.