Usage notes
A <meta name="theme-color"> element has the following additional attributes:
content-
A
<meta>element withname=theme-colormust have acontentattribute that defines the theme color. The value ofcontentattribute is as follows:<color>value-
A valid color value, such as hexadecimal, RGB, named color, etc.
mediaOptional-
Any valid media type or query. If provided, the options for the document's theme color defined in the
contentattribute are suggested to the browser when the media query matches.
Examples
Setting a color value
Consider the following code that uses <meta> to set a theme color:
html
<meta name="theme-color" content="#4285f4" />
The following image shows the effect of this setting in Chrome on an Android mobile device:

Image credit: from Icons & Browser Colors, created and shared by Google and used according to terms described in the Creative Commons 4.0 Attribution License.
Using a media query with theme-color
You can provide a media type or query inside the media attribute.
The theme-color will then only be set if the media condition is true.
For example:
html
<meta
name="theme-color"
content="cornflowerblue"
media="(prefers-color-scheme: light)" />
<meta
name="theme-color"
content="dimgray"
media="(prefers-color-scheme: dark)" />
Specifications
| Specification |
|---|
| HTML # meta-theme-color |
Browser compatibility
See also
<meta>nameattributecolor-schemevaluecolor-schemeCSS propertyprefers-color-schememedia query