All Octicons
arrow-up
Octicon sizes navigation
React
import {ArrowUpIcon} from '@primer/octicons-react' <ArrowUpIcon size={16} />
Rails
<%= render(Primer::Beta::Octicon.new(:"arrow-up", size: :small)) %>
Jekyll
{% octicon arrow-up height:16 %}
Figma
This icon is called arrow-up
in Primer's Octicons library.