Phase change inks

Phase change ink comprising carrier and colorant of formula wherein Ra and Rb each, independently, are hydrogen, alkyl, including substituted and hetero-containing alkyl, aryl, including substituted and hetero-containing aryl, arylalkyl, including substituted and hetero-containing arylalkyl, or alkylaryl, including substituted and hetero-containing alkylaryl; R1 and R2 each, independently, are hydrogen, provided at least one of R1 and R2 is other than hydrogen, alkyl, including substituted and hetero-containing alkyl, aryl, including substituted and hetero-containing aryl, arylalkyl, including substituted and hetero-containing arylalkyl, or alkylaryl, including substituted and hetero-containing alkylaryl; R3, R4, R5, R6, and R7 each, independently, are alkyl, including substituted and hetero-containing alkyl, aryl, including substituted and hetero-containing aryl, arylalkyl, including substituted and hetero-containing arylalkyl, alkylaryl, including substituted and hetero-containing alkylaryl, or a substituent other than hydrogen, alkyl, aryl, arylalkyl, or alkylaryl; wherein two or more of R3, R4, R5, R6, and R7 can be joined together to form a ring.