Hex #3b6383 or rgb(59,99,131) in RGB space is the tint of blue. It has hue angle of 206.67 degrees, value = 51 and saturation = 55. #3b6383 can be obtained by mixing 4 colors: 4 drops of blue, 1 drop of cyan, 3 drops of white, 5 drops of black.
Nearest safe hex - #336699. Below you can see the block with #3b6383 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #3b6383 to the mixer and play with it.