Just putting out my attempt to create a minimal SVG image for the CERN logo:

Rendered version:
CERN logo

SVG (WordPress.com doesn't support uploading SVG as an image format):

  <?xml version="1.0"?>
  <svg
    xmlns="http://www.w3.org/2000/svg"
    version="1.1"
    width="100px"
    height="100px"
    viewBox="0 0 864 864"
    id="cern-logo"
    xml:lang="en"
  >
    <desc>CERN logo</desc>
    <g id="main-layer">
      <clipPath id="limit-to-viewport">
        <!-- Used to avoid any contents in the white frame or outside the viewport -->
        <rect id="clip-viewport" x="0px" y="0px" width="864px" height="864px" />
      </clipPath>
      <clipPath id="limit-to-inner-square">
        <!-- Used to avoid any contents in the white frame or outside the viewport -->
        <rect
          id="clip-inner-square"
          x="45px"
          y="45px"
          width="767px"
          height="767px"
        />
      </clipPath>
      <rect
        id="inner-square"
        x="45px"
        y="45px"
        width="767px"
        height="767px"
        fill="#003152"
        stroke="none"
      />
      <g id="psb-layer">
        <circle
          id="psb-ring"
          cx="461px"
          cy="453px"
          r="258px"
          fill="none"
          stroke="white"
          stroke-width="30px"
        />
        <ellipse
          id="psb-ring-c-background"
          cx="104px"
          cy="375px"
          rx="309.6px"
          ry="73.71px"
          fill="#003152"
          stroke="none"
          clip-path="url(#limit-to-inner-square)"
        />
        <line
          id="psb-ejection-line"
          x1="461px"
          y1="195px"
          x2="153px"
          y2="195px"
          stroke="white"
          stroke-width="30px"
          transform="rotate(100.2 461 453)"
        />
      </g>
      <g id="sps-layer">
        <circle
          id="sps-ring"
          cx="354px"
          cy="375px"
          r="250px"
          fill="none"
          stroke="white"
          stroke-width="42px"
        />
        <circle
          id="sps-ring-inner-shadow"
          cx="354px"
          cy="375px"
          r="224px"
          fill="none"
          stroke="#003152"
          stroke-width="10px"
        />
        <circle
          id="sps-ring-outer-shadow"
          cx="354px"
          cy="375px"
          r="276px"
          fill="none"
          stroke="#003152"
          stroke-width="10px"
        />
        <line
          id="sps-na-line"
          x1="354px"
          y1="125px"
          x2="864px"
          y2="125px"
          stroke="white"
          stroke-width="42px"
          clip-path="url(#limit-to-viewport)"
        />
        <g id="sps-wa-line-layer" transform="rotate(133.7 354 375)">
          <line
            id="sps-wa-line"
            x1="354px"
            y1="125px"
            x2="864px"
            y2="125px"
            stroke="white"
            stroke-width="42px"
            clip-path="url(#limit-to-viewport)"
          />
          <line
            id="sps-wa-line-outer-shadow"
            x1="354px"
            y1="99px"
            x2="664px"
            y2="99px"
            stroke="#003152"
            stroke-width="10px"
          />
          <line
            id="sps-wa-line-inner-shadow"
            x1="554px"
            y1="151px"
            x2="664px"
            y2="151px"
            stroke="#003152"
            stroke-width="10px"
          />
        </g>
        <g id="sps-cngs-line-layer" transform="rotate(78.5 354 375)">
          <line
            id="sps-cngs-line"
            x1="354px"
            y1="125px"
            x2="858px"
            y2="125px"
            stroke="white"
            stroke-width="42px"
            clip-path="url(#limit-to-viewport)"
          />
          <line
            id="sps-cngs-line-outer-shadow"
            x1="354px"
            y1="99px"
            x2="824px"
            y2="99px"
            stroke="#003152"
            stroke-width="10px"
          />
          <line
            id="sps-cngs-line-inner-shadow"
            x1="554px"
            y1="151px"
            x2="824px"
            y2="151px"
            stroke="#003152"
            stroke-width="10px"
          />
        </g>
        <line
          id="sps-tt10-line"
          x1="354px"
          y1="125px"
          x2="124px"
          y2="125px"
          stroke="white"
          stroke-width="42px"
          transform="rotate(-104 354 375)"
        />
      </g>
      <g id="text-layer">
        <text
          x="120px"
          y="423px"
          font-family="Verdana"
          font-size="94pt"
          fill="white"
          text-anchor="start"
          transform="scale(1.2 1)"
        >
          C
        </text>
        <text
          x="204px"
          y="423px"
          font-family="Verdana"
          font-size="94pt"
          fill="white"
          text-anchor="start"
          transform="scale(1.2 1)"
        >
          E
        </text>
        <text
          x="280px"
          y="423px"
          font-family="Verdana"
          font-size="94pt"
          fill="white"
          text-anchor="start"
          transform="scale(1.2 1)"
        >
          R
        </text>
        <text
          x="363px"
          y="423px"
          font-family="Verdana"
          font-size="94pt"
          fill="white"
          text-anchor="start"
          transform="scale(1.2 1)"
        >
          N
        </text>
      </g>
      <rect
        id="outer-border"
        x="12.5px"
        y="12.5px"
        width="832px"
        height="832px"
        fill="none"
        stroke="#003152"
        stroke-width="39px"
      />
    </g>
  </svg>