Ice Blue Dye

Ice Blue Dye is a dye.

Source
Ice Blue Dye can be purchased for from the following vendors:
 * Unsynrael - Limsa Lominsa Lower Decks
 * Alaric - Old Gridania
 * Kasumi - The Gold Saucer
 * Nanabe - Ul'dah - Steps of Thal
 * Frine - The Pillars
 * Tokohana - Kugane