Winsor & Newton Professional Watercolor - Cobalt Blue, 37 ml

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 - Cobalt Blue is a clean blue pigment and was discovered in 1802 by French chemist Louis Thénard as an alternative pigment to the expensive Lapis Lazuli blue pigment.