Hex #2b2756 or rgb(43,39,86) in RGB space is the tint of violet. It has hue angle of 245.11 degrees, value = 34 and saturation = 55. #2b2756 can be obtained by mixing 4 colors: 2 drops of magenta, 4 drops of blue, 1 drop of green, 5 drops of black.
Nearest safe hex - #333366. Below you can see the block with #2b2756 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b2756 to the mixer and play with it.