legend.focusHighlight.border.color String (default: "black")

The color of the focus highlight border. Accepts a valid CSS color string, including hex and rgb.

Example - set the chart legend focus highlight border color

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  legend: {
    focusHighlight: {
      border: {
        color: 'blue'
      }
    }
  },
  series: [
    { type: "donut",  data: [3, 4] }
  ]
});
</script>