All Octicons
x-circle
Octicon sizes navigation
React
import {XCircleIcon} from '@primer/octicons-react' <XCircleIcon size={24} />
Rails
<%= render(Primer::Beta::Octicon.new(:"x-circle", size: :medium)) %>
Jekyll
{% octicon x-circle height:24 %}
Figma
This icon is called x-circle-24
in Primer's Octicons library.