godot/editor/icons/KeySelected.svg

<svg height="10" viewBox="0 0 10 10" width="10" xmlns="http://www.w3.org/2000/svg"><rect fill="#5fb2ff" height="7.5" width="7.5" x="1.25" y="1.25" ry="1" transform="rotate(45 5 5)"/><rect fill="#003e7a" height="4.2" width="4.2" x="2.9" y="2.9" ry=".5" transform="rotate(45 5 5)"/></svg>