Find the Colour Luminance setting in Lightroom or Camera RAW under the HSL/Grayscale dropdown panel.

6. Colour luminance

Colour luminance settings can give you control over dynamic range. In Lightroom and Camera Raw this can be done with the HSL/Color Panel’s Luminance tab. We can either use the sliders or drag over the image with the target tool. Darkening the blues here dramatically improves the sky

https://amateurphotographer.com/technique/how-to-get-more-dynamic-range-in-your-images/