Product Description
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.
Professional Watercolour is still formulated according to our founding principles; to create unparalleled colours which offer artists the widest and most balanced choice of pigments, as it was in 1835 when William Winsor and Henry Newton introduced the first moist watercolours to the world.
