Aura Duotone Button - Free UI Component

Base Background #1e1b4b

Accent Color #f43f5e

Text Color #ffffff

Button Label Launch System

Rounding (px) 12

Vertical Padding (rem) 1

Horizontal Padding (rem) 3

Font Size (rem) 1.1

Aura Duotone Button

A high-contrast duotone button featuring kinetic horizontal motion and a satisfying offset block shadow. Ideal for prominent calls-to-action in dark-themed interfaces.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Duotone Button</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap" rel="stylesheet">
    <style>
        /* -- Variables ------------------------------------------------- */
        :root {
            --bg: {{primaryColor}};             /* Primary Surface */
            --accent: {{accentColor}};           /* Accent Contrast */
            --text: {{textColor}};               /* Text Color */
            --radius: {{borderRadius}}px;        /* Corner Rounding */
            --v-pad: {{vPadding}}rem;            /* Vertical Tightness */
            --h-pad: {{hPadding}}rem;            /* Horizontal Space */
            --font-size: {{fontSize}}rem;        /* Typography Size */
            --page-bg: #0f172a;
        }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--page-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
        }

/* -- Button Implementation --------------------------------------- */
        .btn-duotone {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: var(--v-pad) var(--h-pad);
            font-size: var(--font-size);
            font-weight: 800;
            color: var(--text);
            background: var(--bg);
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            text-decoration: none;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1);
            letter-spacing: -0.01em;
            outline: none;
            overflow: hidden;
            
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }

/* Accent Side Bar (Right) */
        .btn-duotone::after {
            content: '';
            position: absolute;
            top: 0; right: 0;
            width: 6px; height: 100%;
            background: var(--accent);
            transition: width 0.3s ease;
            z-index: 1;
        }

/* Hover Dynamics */
        .btn-duotone:hover {
            transform: translate(8px, -8px); /* Shift UP and RIGHT */
            background: color-mix(in srgb, var(--bg), white 3%);
            /* Shadow DOWN and LEFT - Clean separation from handle */
            box-shadow: -10px 10px 0px color-mix(in srgb, var(--accent), black 15%); 
        }

.btn-duotone:hover::after {
            width: 8px; /* Very subtle growth to avoid muddiness */
        }

.btn-duotone:active {
            transform: translate(2px, -2px);
            box-shadow: -2px 2px 0px var(--accent);
        }

</style>
</head>
<body>

<button class="btn-duotone">
        {{buttonText}}
    </button>

</body>
</html>