Ultramarine blue (pigment blue 29) ndi mtundu wamtundu wa buluu wokhala ndi ntchito zambiri.Pankhani yopaka utoto, amagwiritsidwa ntchito popanga utoto wabuluu, mphira, inki, ndi nsaru;ponena za kuyera, amagwiritsidwa ntchito popanga mapepala, sopo ndi ufa wochapira, wowuma, ndi nsalu.