Once more valuable than gold, ultramarine blue, now sold in its synthetic form, is so popular today it ranks just below whites and blacks in sales by top suppliers of paint for artists.

The colour survives in the work of 17th Century Spanish colonial painters, a symbol of the wealth that ultimately doomed the Maya, writes Devon Van Houten Maldonado. In 17th Century Europe, when ...

Recent investigations into this shade of blue--ultramarine blue--have brought to light the pigment's tendency to fade. Is it possible that the longevity of such a masterpiece as the Last Judgment ...

Blue has historically been avoided in cosmetic chemistry, as the pigment emits a smelly gas at a low pH. But scientists at the University of Toledo have found a way to incorporate ultramarine blue ...

Dezeen Showroom: Parisian furniture brand Tiptoe has collaborated with the Archives Yves Klein to reimagine eight of its products in the distinctive ultramarine blue popularised by French artist ...