Cobalt blue is a pure blue pigment. It was discovered in 1802 by the French chemist Louis Thénard as an alternative pigment to the expensive lapis lazuli blue pigment.

See it in action. Our professional watercolor continues to be formulated according to our founding principles to create unparalleled colors that offer artists the broadest and most balanced selection of pigments, just as it was in 1835 when William Winsor and Henry Newton introduced the world's first moist watercolors.

A wide range of single-pigment colors. Our collection uses only the finest pigments, which is why they are known for their brilliance, permanence, and color intensity. With 79 single-pigment colors, we offer the largest selection of modern and traditional pigments.

Unmatched transparency. Formulated using the highest quality methods to achieve optimal pigment distribution, our unmatched transparency means that every wash remains vibrant and luminous.

Lightfast and durable. 104 out of 108 colors in the professional watercolor line are rated AA or A for permanence, ensuring that the colors used today will appear the same for generations to come.

Create your own palette of granulating colors. Many artists appreciate granulation to achieve texture on paper. Explore some of our beautiful granulating colors to build your palette and learn more about minimizing and maximizing this effect.

Tone, shade, and super granulate your palette. Our professional watercolor line offers more than 30 lightfast and durable granular single-pigment colors. Try some of these colors; tone and shade them, and mix them to create extraordinary super granulating colors.