An optical information recording medium containing a substrate having provided thereon a recording layer capable of recording information by laser beam irradiation, wherein the recording layer contains a dye represented by the following general formula (I): ##STR00001## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each independently represents a hydrogen atom or a substituent group; R.sup.5 and R.sup.6 each independently represents a hydrogen atom or a substituent group; and B represents a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group, which are derivable from a diazonium salt.