Katsushika Hokusai, Under the Wave off Kanagawa (Kanagawa-oki nami-ura), also known as the Great Wave, from the series Thirty-six Views of Mount Fuji (Fugaku sanjūrokkei) (detail), about 1830–31

A bright blue tidal wave crests on choppy waters with a mountainscape in the distance.

Woodblock print (nishiki-e); ink and color on paper. William Sturgis Bigelow Collection.