Hex #556ec7 or rgb(85,110,199) in RGB space is the tint of blue violet. It has hue angle of 226.84 degrees, value = 78 and saturation = 57. #556ec7 can be obtained by mixing 4 colors: 3 drops of magenta, 5 drops of blue, 3 drops of cyan, 1 drop of white.
Nearest safe hex - #6666cc. Below you can see the block with #556ec7 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #556ec7 to the mixer and play with it.