UA Blue (#0033AA)

/* Background */
.element {
    background-color: #0033AA;
}

/* Text */
.element {
    color: #0033AA;
}

/* Border */
.element {
    border: 1px solid #0033AA;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #0033AA,
        #FFCC55
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #0033AA,
        #FFCC55
    );
}

// SCSS variable
$ua-blue: #0033AA;

// With RGB channels (useful for rgba() usage)
$ua-blue-r: 0;
$ua-blue-g: 51;
$ua-blue-b: 170;

// Usage
.element {
    background-color: $ua-blue;
    color: rgba($ua-blue-r, $ua-blue-g, $ua-blue-b, 0.8);
}