Crimson

#DC143C

rgb(220, 20, 60)

hsl(348, 83%, 47%)

.element {
  background-color: #DC143C;
  color: #DC143C;
  border: 1px solid #DC143C;
}

.element {
  background-color: rgb(220, 20, 60);
  color: rgb(220, 20, 60);
}

.element {
  background-color: hsl(348, 83%, 47%);
  color: hsl(348, 83%, 47%);
}

<div style="background-color: #DC143C; color: white;">
  Content
</div>

element.style.backgroundColor = "#DC143C";
element.style.color = "#DC143C";

<div style={{ backgroundColor: "#DC143C", color: "white" }}>
  Content
</div>