Background color in ion-header on ionic 2

[rpayanm]

Hi,

I want change the color of my ion-header:

Currently:

I am trying with:

<ion-header color="danger">

or

<ion-header danger>

Without result.
What can I do?

[mirkonasato]

Set the color on the ion-navbar not ion-header.

[rpayanm]

Thank you @mirkonasato !!!