cant change purple background to white background on iPhone and mac header in safari

i make site using gatsby with react and when i test it in safari i see purple background an now i want make it white like in google chrome enter image description here

need to change this color but don't know where i can change this background: #5f3797

CodePudding user response：

What you're looking for is most likely the meta element with theme-color, for example:

<meta name="theme-color" content="#5f3797">

The color is potentially set in gatsby-config.js if you used the gatsby-starter-default.

See more here: https://css-tricks.com/meta-theme-color-and-trickery/