Hex #606975 or rgb(96,105,117) in RGB space is the tint of blue. It has hue angle of 214.29 degrees, value = 46 and saturation = 18. #606975 can be obtained by mixing 3 colors: 1 drop of blue, 3 drops of white, 4 drops of black.
Nearest safe hex - #666666. Below you can see the block with #606975 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #606975 to the mixer and play with it.