Wella Koleston Color Cream collection offers lasting hair dyes in a wide range of shades. The Color Cream Tube, 301/0 Blue Black is an intense midnight blue hue that brings a cool edge to black hair. Its deep color pigments reach hair roots and covers the entire surface from top to bottom. It brings shine and enhances your natural hair look. With its deep coverage technology it covers your hair completely. The color cream tube is easy to use without creating a mess.