Hex #2b3f80 or rgb(43,63,128) in RGB space is the tint of blue violet. It has hue angle of 225.88 degrees, value = 50 and saturation = 66. #2b3f80 can be obtained by mixing 4 colors: 1 drop of magenta, 2 drops of blue, 1 drop of cyan, 2 drops of black.
Nearest safe hex - #333399. Below you can see the block with #2b3f80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b3f80 to the mixer and play with it.