French Plum (#811453)

/* Background */
.element {
    background-color: #811453;
}

/* Text */
.element {
    color: #811453;
}

/* Border */
.element {
    border: 1px solid #811453;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #811453,
        #17EB70
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #811453,
        #17EB70
    );
}

// SCSS variable
$french-plum: #811453;

// With RGB channels (useful for rgba() usage)
$french-plum-r: 129;
$french-plum-g: 20;
$french-plum-b: 83;

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