Red and Black Background CSS

Create striking red and black backgrounds with CSS gradients, patterns, and animations

Why Red and Black Backgrounds?

Red and black combinations create powerful, high-impact designs perfect for:

Live Red and Black Background Examples

Classic Diagonal Gradient

background: linear-gradient(135deg, #ff0000 0%, #000000 100%);

Radial Glow Effect

background: radial-gradient(circle, #ff0000 0%, #000000 70%);

Striped Pattern

background: repeating-linear-gradient(
    45deg,
    #ff0000,
    #ff0000 10px,
    #000000 10px,
    #000000 20px
);

Dual Radial Gradients

background: #000000;
background-image: 
    radial-gradient(circle at 25% 25%, #ff0000 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, #ff0000 0%, transparent 50%);

Animated Gradient

background: linear-gradient(90deg, #000000 0%, #ff0000 50%, #000000 100%);
animation: slideGradient 3s ease-in-out infinite;

@keyframes slideGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

Dotted Overlay

background: 
    linear-gradient(0deg, rgba(255,0,0,0.1) 0%, rgba(0,0,0,0.9) 100%),
    url('data:image/svg+xml,...');
background-size: 100% 100%, 10px 10px;

Conic Gradient

background: conic-gradient(from 0deg, #ff0000, #000000, #ff0000);
animation: rotate 4s linear infinite;

Split Screen Effect

background: 
    radial-gradient(ellipse at top, #ff0000 0%, transparent 50%),
    radial-gradient(ellipse at bottom, #000000 0%, transparent 50%),
    #1a0000;

Pulse Animation Effect

Perfect for call-to-action areas

Practical Use Cases

🎮 Gaming Websites

Create immersive gaming experiences with dark themes and red accents for action games, FPS titles, and competitive gaming platforms.

🏃 Sports & Fitness

Energetic red and black combinations perfect for sports teams, fitness apps, and athletic brands.

🎵 Music & Entertainment

Bold backgrounds for music streaming, concert venues, and entertainment platforms.

🚨 Alert Systems

High-visibility designs for emergency notifications, warning systems, and critical alerts.

Design Tips for Red and Black Backgrounds

Advanced Techniques

Layered Background with Noise Texture

background: 
    linear-gradient(135deg, rgba(255,0,0,0.8) 0%, rgba(0,0,0,0.9) 100%),
    url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj4KPGZpbHRlciBpZD0ibm9pc2UiPgo8ZmVUdXJidWxlbmNlIHR5cGU9ImZyYWN0YWxOb2lzZSIgYmFzZUZyZXF1ZW5jeT0iMC45IiBudW1PY3RhdmVzPSI0IiAvPgo8L2ZpbHRlcj4KPHJlY3Qgd2lkdGg9IjEwMCIgaGVpZ2h0PSIxMDAiIGZpbHRlcj0idXJsKCNub2lzZSkiIG9wYWNpdHk9IjAuNCIvPgo8L3N2Zz4='),
    #000000;
background-blend-mode: overlay, normal, normal;

CSS Variables for Dynamic Themes

:root {
    --red-primary: #ff0000;
    --red-dark: #cc0000;
    --black-primary: #000000;
    --black-secondary: #1a1a1a;
}

.dynamic-background {
    background: linear-gradient(
        135deg, 
        var(--red-primary) 0%, 
        var(--black-primary) 100%
    );
    transition: all 0.3s ease;
}

.dynamic-background:hover {
    --red-primary: #ff3333;
    --black-primary: #0a0a0a;
}