Deep blue. Fresh mandarine-like scent. Orange flavor from fruit and peel with a unique finish. Bols Blue – the original Blue Curacao. Bols Blue, was and still is, the world’s best selling Blue Curacao. It is one of the oldest flavors in the modern Bols liqueur range and was known in the 19th century as “Crème de Ciel”. Bols Blue brings a sparkling blue color, a powerful orange flavor and a superb and unique aftertaste to any cocktail. As well as being a great substitute for Triple Sec in cocktails (like the Margarita Azul); it is also delicious when served long with soda or orange juice.