Hex #2b3f64 or rgb(43,63,100) in RGB space is the tint of blue violet. It has hue angle of 218.95 degrees, value = 39 and saturation = 57. #2b3f64 can be obtained by mixing 4 colors: 1 drop of red, 2 drops of blue, 1 drop of cyan, 2 drops of black.
Nearest safe hex - #333366. Below you can see the block with #2b3f64 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b3f64 to the mixer and play with it.