An update (14.0.1) is now available for InDesign CC 2019. The update contains the fix for this issue.
Please install this update via the Creative Cloud application.
Adobe InDesign teamAnonymous commented
my cmyk poppy red is also showing a lot darker and dulled than its RGB equivalent. Been using these swatches for a couple years now and the problem just started today. I downloaded the new InDesign during Adobe MAX conference.Anonymous supported this idea ·