Colour Challenge: Attempts at Indigo

A question to all you indigoists out there: Which of these fine flowers is the indigoest?

^{Olympus Stylus 1s, 42mm, ISO200, f5.6, 1/60s}

^{Olympus Stylus 1s, 42mm, ISO100, f4, 1/500s}

Thanks for watching!