JSFiddle - React, Tailwind, and code Playground

HTML

<div class="jologo">
<span>adfasdf</span>

</div>

CSS

.jologo {
    width: 200px;
    height: 0;
    border-bottom: 40px solid #262627;
    border-right: 40px solid transparent;
    position:relative;
}
.jologo:after {
    content:'';
    position:absolute;
    background:#f15c5c;
    height:40px;
    left:0;
    width:5px;
}