--color-indigo-4: #5D76CB;
Indigo 4 — Similarly, Indigo 4 starts with Indigo 3 as its base and decreases the key values even further to create a warm, bright shade of blue. It belongs to the blue color family and is described as a moderate blue, with a hue angle of 226.4 degrees, a saturation of 51.4%, and a lightness of 58%.