Winsor & Newton Professional Watercolor Half Pan - Cobalt Blue Deep

Winsor & Newton Professional Watercolors have been around since 1832 when Henry Newton and William Winsor introduced the first moist watercolors. For over 170 years now Winsor & Newton has been known the world over for their permanence, color brilliance, transparency and for their high quality materials.

Cobalt Blue Deep - Cobalt Deep Blue is the darker red shade of its sister pigment Cobalt Blue. It was discovered in 1802 by French chemist Louis Thénard as an alternative pigment to the expensive lapis lazuli pigment.