A heat-sensitive transfer sheet at least having a polyester support, a barrier layer, a heat-sensitive transfer layer containing a dye and a binder, both layers being applied on a surface of the support in this order, and having the heat-sensitive transfer layer including yellow, magenta, and cyan heat-sensitive transfer layers, and the yellow, magenta, and cyan heat-sensitive transfer layers and a protective layer being formed in area order, wherein the barrier layer contains a polyvinylpyrrolidone and cyan heat-sensitive transfer layer contains at least one silicone oil and at least one dye represented by the following formula (C1): wherein Ar represents a substituted or unsubstituted p-phenylene group; R1 represents a substituted or unsubstituted alkyl group; R2 represents a substituted or unsubstituted acylamino group, or a substituted or unsubstituted alkoxycarbonylamino group; R3 and R4 each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, or a substituted or unsubstituted aryl group.