rrachuri It's gradient:
.t3-sections .t3-module.mod-bg-brand-primary {
background-image: -webkit-linear-gradient(top, #5c58dc 0%, #4743d8 100%);
background-image: -o-linear-gradient(top, #5c58dc 0%, #4743d8 100%);
background-image: linear-gradient(to bottom, #5c58dc 0%, #4743d8 100%);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff5c58dc', endColorstr='#ff4743d8', GradientType=0);
background-repeat: repeat-x;
}
you can change to your desired color.