Maybe one of these similar products would be of interest:-
McCormick Assorted Food Coloring Egg Dye Red Yellow Blue .5 oz each
McCormick Culinary Blue Food Coloring, 16 fl oz - One 16 Fluid Ounce Bottle of B
McCormick Culinary Blue Food Coloring 16oz Bottle for Cakes & Icing
Wilton Royal Blue Icing Color, 1 oz. - Blue Food Coloring
DecoPac Royal Blue Food Coloring, 8 Fl Oz Airbrush Food Color