Box Shadow Generator
Build and preview CSS box-shadows visually with multiple layers
Shadow Layers
Layer 1 Settings
Opacity: 40%
Color
Presets
Preview Background
Background
Box Color
Preview
CSS Code
box-shadow: 0px 8px 24px -4px rgba(139,92,246,0.40);
Usage
CSS
box-shadow: 0px 8px 24px -4px rgba(139,92,246,0.40);
Tailwind (arbitrary value)
className="shadow-[0px 8px 24px -4px rgba(139,92,246,0.40)]"
About the Box Shadow Generator
This box shadow generator builds CSS shadows layer by layer, with offset, blur, spread and colour controls and a live preview. Stacking two or three subtle layers is what produces a realistic shadow rather than a grey smudge.
A box shadow generator matters because a single shadow rarely looks convincing. Real shadows have a tight dark contact area near the object and a wide soft falloff further out, and one layer cannot express both.
Layering is the technique. A small shadow with little blur creates the contact edge; a larger, softer, lighter one gives the ambient spread. Two or three layers combined read as depth, while one large blurred layer reads as a grey blob behind the element.
Restraint helps. Low opacity — around 10 to 25% black — and small vertical offsets keep an interface looking crisp, since light comes from above and shadows fall below. Spread is the least-used value: negative spread pulls a shadow in, which is handy for a tight edge without repositioning.
How to use the Box Shadow Generator
- Add a shadow layer. Start with a small offset and low blur for the contact edge.
- Set offset, blur and spread. Adjust the values and watch the preview update.
- Add a softer second layer. Stack a larger, lighter, more blurred shadow for ambient depth.
- Copy the CSS. Take the comma-separated box-shadow value into your stylesheet.
Box Shadow Generator features
- Multiple shadow layers
- Color and opacity control
- Blur and spread adjustment
- Material design presets
- Text shadow generation
- Real-time preview
- CSS code generation
- Inset shadow support
- Color picker integration
- Professional accuracy
Frequently asked questions
How does this box shadow generator work?
Interactive tool for creating CSS box-shadow properties with real-time visual feedback. Control horizontal offset, vertical offset, blur radius, spread radius, color, and opacity. Generate production-ready CSS code for creating depth, elevation, and visual hierarchy in web interfaces.
What are the components of a CSS box shadow?
Box shadow consists of: horizontal offset (x-axis), vertical offset (y-axis), blur radius (shadow softness), spread radius (shadow expansion/contraction), color (shadow color), and inset option (inner shadow). Each parameter creates different visual effects for depth and emphasis.
Can I create Material Design style shadows?
Yes! Generate Material Design elevation shadows with multiple layers for different elevation levels (dp values). Create consistent depth following Material Design guidelines: low elevation (2dp), medium (4dp), high (8dp), and custom elevations for professional UI design.
What are common shadow effects for web design?
Essential effects include: subtle card shadows for depth, button hover states for interactivity, modal overlays for focus, text shadows for readability, inset shadows for pressed states, and ambient shadows for creating realistic depth and visual hierarchy in modern interfaces.
How do I optimize shadows for performance?
Use minimal blur radius and avoid excessive shadows for better performance. Consider using CSS transforms instead of multiple shadows, test on mobile devices, and ensure shadows don't impact page load times. Use rgba colors for better transparency control.
Can I create text shadows with this tool?
Yes! Generate text-shadow CSS properties for creating readable text overlays, depth effects, and styled typography. Control text shadow offset, blur, color, and create effects like neon text, engraved text, and improved readability on complex backgrounds.