<svg width="64" height="64" viewBox="0 0 64 64" xmlns="http://www.w3.org/2000/svg">
    <defs>
        <linearGradient id="scpGrad" x1="0%" y1="0%" x2="0%" y2="100%">
            <stop offset="0%" style="stop-color:#2563eb;stop-opacity:1" />
            <stop offset="100%" style="stop-color:#1e40af;stop-opacity:1" />
        </linearGradient>
    </defs>
    
    <!-- White background -->
    <rect width="64" height="64" fill="white"/>
    
    <!-- Circle -->
    <circle cx="32" cy="32" r="26" fill="none" stroke="#2563eb" stroke-width="3"/>
    <circle cx="32" cy="32" r="20" fill="none" stroke="#10b981" stroke-width="1" opacity="0.4"/>
    
    <!-- SCP -->
    <text x="32" y="40" text-anchor="middle" font-family="serif" font-size="20" font-weight="bold" fill="url(#scpGrad)">SCP</text>
</svg>