Cobalt Blue

Cobalt blue is a shade of color blue that is medium and bright. It is very bright. It is when this metal is mixed with aluminum oxide that a shade of blue color is produced that is called cobalt blue. It is a shade that is cool and calm and appears rich. When you hear the word cobalt blue then think about a color shade that is deeper than sky blue but lighter than royal blue. Cobalt blue has a hexadecimal color code #0047AB.