<svg width="108" height="108">
<circle r="46" cx="54" cy="54" />
<circle style="stroke-dasharray:60% 140%" r="46" cx="54" cy="54" />
</svg>
svg {
display: block;
margin: 100px auto;
width: 200px;
}
circle {
fill: rgba(0,0,0,0);
stroke: #eee;
stroke-width: 16;
}
circle:nth-child(2n) {
fill: rgba(0,0,0,0);
stroke: #30bae7;
}