About the Nagios logo
The Nagios logo is available here as a free 24×24 SVG and as the Nagios React component from @frimaicons/react. Its brand color is #4D89F9. Download the SVG, copy the markup, or import the component and set any size or color.
Nagios is listed under Tech logos. The Nagios name and logo are trademarks of their owner; follow the brand's guidelines when you use them.