Honolulu Blue (#006DB0)

/* Background */
.element {
    background-color: #006DB0;
}

/* Text */
.element {
    color: #006DB0;
}

/* Border */
.element {
    border: 1px solid #006DB0;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #006DB0,
        #FF9D61
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #006DB0,
        #FF9D61
    );
}

// SCSS variable
$honolulu-blue: #006DB0;

// With RGB channels (useful for rgba() usage)
$honolulu-blue-r: 0;
$honolulu-blue-g: 109;
$honolulu-blue-b: 176;

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