Need Royal Blue LED on 20mm MCPCB

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klrman
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Need Royal Blue LED on 20mm MCPCB

I'm not having luck at the moment searching for a deep  and rich royal blue emitter mounted on a 20mm MCPCB.  I see mtn electronics has a blue one but it's listed as 485 nm and from what I can see on the charts, that is on the border of cyan which I don't want.  I'm making a light for a friend with a c8 host and he wants it to be as bright as possible without over heating.  He wants the beam to be tight and narrow, so basically all throw.  Any suggestions?

MtnDon
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ledsupply.com should have royal blue. I have bought there b4. Look at rapidled.com as well

klrman
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Found it at ledsupply.com thanks!

Any tips on a simple Low/High driver with battery V readout?