To change the background color of page title, please add this CSS in Additional CSS

#custom-header{
background-color: #222;
}

You can change the color code as per requirement

• This reply was modified 2 months ago by Psink.

@thewiz, You can simple change the value of background-color like this

#custom-header{
background-color: #5C1A0E;
}

Additionaly, to get a color code visit -> https://htmlcolorcodes.com/, and check the screen record
https://www.awesomescreenshot.com/video/43794749?key=dce7dd95088d8114d1c20c199e7d8272