Alabama Crimson (#AF002A)

/* Background */
.element {
    background-color: #AF002A;
}

/* Text */
.element {
    color: #AF002A;
}

/* Border */
.element {
    border: 1px solid #AF002A;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #AF002A,
        #5FFFD9
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #AF002A,
        #5FFFD9
    );
}

// SCSS variable
$alabama-crimson: #AF002A;

// With RGB channels (useful for rgba() usage)
$alabama-crimson-r: 175;
$alabama-crimson-g: 0;
$alabama-crimson-b: 42;

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