Hex #5b657a or rgb(91,101,122) in RGB space is the tint of blue violet. It has hue angle of 220.65 degrees, value = 48 and saturation = 25. #5b657a can be obtained by mixing 4 colors: 5 drops of red, 4 drops of blue, 4 drops of cyan, 1 drop of green.
Nearest safe hex - #666666. Below you can see the block with #5b657a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b657a to the mixer and play with it.