Like deep Parma violets or blue lavender it is a wonderful 18th century color used for coloring the inside of furniture- like the lining of a jacket - or for using with as the base with Paris Grey on top and distressed ’ It is of course wonderful used as just on its own as here on this old desk. I have painted the interior red with Emperor’s Silk but it could have been painted with Duck Egg Blue for a more toned land cooler effect.