Jeanne Lanvin (1867 1946) BoF Celebrate the Life and Work of Fashion Tastemaker Jeanne Lanvin Architectural Digest Dress by Jeanne Lanvin c. 1934 35.Lanvin blue was a unique shade developed in Jeanne Lanvin's dye factory in Nanterre, France, which could not be reproduced, protecting it from design theft. This garment, The color blue was an integral part of Jeanne Lanvins creative universe. Over the years, her use of its infinite nuances became a defining code of Lanvin., , #LANVIN