Imperial Red (#ED2939)

/* Background */
.element {
    background-color: #ED2939;
}

/* Text */
.element {
    color: #ED2939;
}

/* Border */
.element {
    border: 1px solid #ED2939;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #ED2939,
        #DEFCF9
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #ED2939,
        #DEFCF9
    );
}

// SCSS variable
$imperial-red: #ED2939;

// With RGB channels (useful for rgba() usage)
$imperial-red-r: 237;
$imperial-red-g: 41;
$imperial-red-b: 57;

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