Comparative form of purple: more purple(adjective)
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Use "purpler" in a sentence
"With three more years left, the road is only going to get greener - or "purpler" - for Black."
"One or two, possibly three more election cycles and this state is going to turn blue, or at least a much purpler shade of red."
"He said you can have one, and that it would be a good idea, but you can't give the same amount of money to a challenger in Nebrasker polling at 20% as you do to someone who is just within the grasp of winning the election in a more purpler state."