In 1828, Jean-Baptiste Guimet and others developed synthetic ultramarine, making this vibrant blue pigment more accessible. This innovation allowed artists and manufacturers to produce vivid colors without relying on the costly lapis lazuli. The availability of synthetic ultramarine revolutionized art and design, influencing the aesthetics of the 19th century and beyond.

The development of synthetic ultramarine in 1828 broadened the use of blue in art, inspiring Symbolist poets to explore mystical and emotional associations with color. This innovation influenced the visual language of poetry, allowing for deeper emotional expression.