CSS Border Radius Visualizer
Create and visualize beautiful border radius styles for your website
Border Radius Guide
The border-radius property rounds the corners of an element's outer border edge. It can create anything from subtle rounded corners to complex organic shapes, making it a versatile tool for modern web design.
Understanding border-radius is essential for creating modern, polished user interfaces. It helps soften harsh edges, create visual harmony, and can even be used to create complex shapes that enhance your design's personality.
Border Radius Anatomy
border-radius: [top-left] [top-right] [bottom-right] [bottom-left]
Common Patterns
Border radius can be used in various ways to achieve different design goals. Here are some common patterns and when to use them:
border-radius: 8px;
Standard rounded corners for cards and containers
border-radius: 9999px;
Perfect circles for avatars and icons
border-radius: 40px;
Smooth, pill-shaped elements
Design Principles
Using border-radius effectively requires understanding some key design principles that help create cohesive and professional-looking interfaces.
1. Consistency
Maintain consistent border-radius values across your interface to create visual harmony:
- • Use a scale system (e.g., 4px, 8px, 16px)
- • Match component hierarchies
- • Consider component size
2. Proportional Scaling
Adjust border-radius relative to element size:
- • Larger elements = larger radius
- • Maintain visual balance
- • Consider content padding
3. Component Context
Adapt border-radius based on component type and usage:
4. Visual Harmony
Create balanced designs with border-radius:
Advanced Techniques
Border-radius can be used to create complex shapes and interesting effects. Here are some advanced techniques:
border-radius: 0 40px 0 40px;
Diagonal corners
border-radius: 40px 40px 0 0;
Top rounded corners
border-radius: 20px 50px;
Asymmetric corners
Best Practices
Use consistent values across similar components
Scale radius with element size
Consider mobile touch targets
Common Mistakes
Inconsistent radius values
Radius too large for element size
Mixing different radius styles
Quick Reference
Common border-radius values and their typical use cases in modern web design:
Small (4px)
border-radius: 4px;
Subtle rounding for small elements
Medium (6px)
border-radius: 6px;
Default for most components
Large (8px)
border-radius: 8px;
Cards and prominent elements
Extra Large (12px)
border-radius: 12px;
Feature sections and modals
Full (9999px)
border-radius: 9999px;
Circles and pills
None (0px)
border-radius: 0;
Sharp corners