Danger Red

#DC3545

rgb(220, 53, 69)

hsl(354, 70%, 54%)

.element {
  background-color: #DC3545;
  color: #DC3545;
  border: 1px solid #DC3545;
}

.element {
  background-color: rgb(220, 53, 69);
  color: rgb(220, 53, 69);
}

.element {
  background-color: hsl(354, 70%, 54%);
  color: hsl(354, 70%, 54%);
}

<div style="background-color: #DC3545; color: white;">
  Content
</div>

element.style.backgroundColor = "#DC3545";
element.style.color = "#DC3545";

<div style={{ backgroundColor: "#DC3545", color: "white" }}>
  Content
</div>