Hex #607585 or rgb(96,117,133) in RGB space is the tint of blue. It has hue angle of 205.95 degrees, value = 52 and saturation = 28. #607585 can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 5 drops of white, 5 drops of black.
Nearest safe hex - #666699. Below you can see the block with #607585 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #607585 to the mixer and play with it.