RGB colours in matplotlib plots

LaTeX accepts un-normalised (like 0-65-122) rgb values as colour arguments in, say, .cls files:

\definecolor{AIPblue} {RGB}{0, 65, 122}

matplotlib insists on getting something like that:

#colour settings
ASColour = '#666666'

or normalised (0 - 1) rgb values tuple. It's easy to normalise, but it's also easy to convert rgb values to hex.