Aspect Ratio Standard 4 - 21:9 Aspect Ratio (Ultrawide)

Free

Aspect ratio container with 21:9 ultrawide ratio.
Shadcn Aspect Ratio Standard 4 component

Component data

ID
aspect-ratio/aspect-ratio-standard-4
Access
free
Created
Oct 5, 2025
Type
example
Libraries
Radix UI, Base UI, React Aria

Aspect Ratio Standard 4 component design & features

This example uses the shadcn AspectRatio component from Radix UI to constrain child content to a 21:9 width-to-height ratio. Media inside the container scales responsively while preserving the fixed proportion.

Ultrawide ratios fit cinematic banners, dashboard previews, and immersive header imagery.