<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-gb-sct" viewBox="0 0 640 480">
  <path fill="#0065bd" d="M0 0h640v480H0z"/>
  <path stroke="#fff" stroke-width=".6" d="M0 0l5 3M0 3l5-3" transform="scale(128 160)"/>
</svg>