Bright HDR Colors after 10.15.4 Catalina Update

Hey. I've got a 2019 16" Macbook Pro and a LG 27UK650 4K 10-bit HDR monitor connected. Last night, I updated my Mac to 10.15.4. Before that, I was unable to view anything in HDR. My monitor looked good, so I never complained. Then, this morning I woke up and went to log in, when my monitor turned on, I saw a HDR logo appear at the top right of my screen (the on-screen overlay from my LG monitor). Now, in settings of the monitor OSD itself, the ONLY control I have is Brightness. Everything else is greyed out. The screen is now very blue and all the colors are extremely vivid. It almost appears as if the monitor is 'broke'.

If I look in System Preferences > Display, it shows a new High Dynamic Range check box. It is checked. If I uncheck it, the display goes back to how it was before. I've tried color calibration to see if I could tone down the colors, but it only seems to allow me to change the white point of the monitor itself.

I've went to the LG website to see if there's a particular calibration file for this monitor and can only find Windows based calibration settings.

Can anyone please help point me in the right direction of how to properly get HDR to appear on this monitor? I much prefer the color of HDR disabled, but after seeing how well HDR brightens up shadows, I'd really like to get HDR working properly. I've attached two photos I took, one with HDR off showing normal colors but dark shadows and one with HDR on showing the bright neon colors with the blue tint. I hope this helps?