Well to start with it might be useful to describe what Sonos/TV/Hue hardware you actually have (there’s nothing in your profile) along with what problem you are having.

We’re not mind readers here.

New Sonos system arc ultra

tv 85 inch samsung

 hue syc box 

I’m not sure what a soundbar has to do with your Hue lighting, but to connect the Arc Ultra to the TV you only need to run the HDMI cable from the Arc to the HDMI-ARC/eARC port on the TV.  Then follow the instructions for adding the Arc Ultra to you system seen here:

https://support.sonos.com/en-us/article/set-up-your-sonos-arc-ultra