ultramarine

The colors are a reddish black, a Renaissance ultramarine blue and a blackish burgundy that Zumthor hoped would conjure a cave-like dimness.

She dug a narrow, shallow, 41-foot-long trench in the ground, running perpendicular to the Pacific Ocean, and poured powdered ultramarine pigment into it.

International Klein Blue, or I.K.B. for short, is a combination of ultramarine pigment and a chemist’s polymer binder that keeps it from fading.

Whether ultramarine, cerulean, Egyptian or cobalt, blue pigments have colored artworks for centuries.

With the alley closed to the public, he strode into the room like the boy-mayor of the place, resplendent in an ultramarine bowling shirt.