What is "purpler"

Usage examples of "purpler".

The clatterer was larger and a purpler shade of red than the one who had made the furious outburst.

I couldn't let myself go all the way, and make full use of his (and their) limited value, because there was Dan, in the background, Dan whom I loved like crazy, and who would be back, probably still laughing at all that sort of thing, Dan who was pleased as punch at my first published story, and loved having a writer-wife to brag about, but wasn't likely to go for anything much purpler than Crack Detective.