Illustrator and CMYK. Or how to specify exact colors in the chandelier?

Can't set color CMYK 100, 18, 8, 50 | Hex #00587c | Pantone 308с

Illustrator complains that the color is outside the range and not just change it to:

CMYK 100, 52, 36, 19 | Hex #405d72

So actually with all the colors that lie outside the range. Tell me how to fix it?
July 8th 19 at 11:59
2 answers
July 8th 19 at 12:01
You work RGB document, if you switch to CMYK then everything is OK should be
Document CMYK. - shanie47 commented on July 8th 19 at 12:04
Checked, I have everything working i.imgur.com/XcbAdVK.jpg - blaze_McLaughlin commented on July 8th 19 at 12:07
July 8th 19 at 12:03
Did not seem a moment - the chandelier burning.

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