Cobalt Blue
Cobalt blue is a vivid, fairly light shade of blue with the hex code #0047AB, originally derived from combining cobalt oxide with aluminum. Toxic to the unwary, it’s been used to color Chinese porcelain for over a thousand years.
Cobalt blue is a vivid, fairly light shade of blue with the hex code #0047AB, originally derived from combining cobalt oxide with aluminum. Toxic to the unwary, it’s been used to color Chinese porcelain for over a thousand years.