Hlau oxide xiav xim yog cov xim tsis meej tshaj plaws ntawm tsev neeg hlau oxide pigments, nws xiav yog txawv ntawm lub ntuj xiav thiab txawv ntawm xiav hiav txwv, nws yog xim zoo nkauj thiab muaj zog. Xiav yog ib qho ntawm peb lub ntsiab xim, thiab nws qhov luv tshaj wavelength yog 450 ~ 500nm, uas belongs rau lub luv wavelength. Xiav yog lub cim ntawm kev nyob mus ib txhis thiab muaj lub ntsiab lus zoo vim nws cov xim tsis meej.
Hlau oxide xiav yog tsuas yog siv rau hauv asphalt, diatom av nkos, roj hmab khiav, xim, number case, painting, pigments thiab crayons, pleev xim rau varnished daim ntaub, pleev xim rau daim ntawv, cov khoom yas coloring, lub tsev pem teb, pem teb pobzeb xim.