Blue paper

For the urban legend, see Red Paper, Blue Paper. For other uses, see Blue pages, Blueprint, Blue book (disambiguation), Construction paper, and blue touch paper.

Blue paper is a blue-dyed rag paper, historically used as a support for drawings and prints. The earliest extant mention of blue paper dates from a 1389 Bolognese statute. The rags were processed into paper in so-called paper mills. Artists were drawing on blue paper by the 15th century.

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