Cyan-blue Azure (#4682BF)

/* Background */
.element {
    background-color: #4682BF;
}

/* Text */
.element {
    color: #4682BF;
}

/* Border */
.element {
    border: 1px solid #4682BF;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #4682BF,
        #E8BF96
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #4682BF,
        #E8BF96
    );
}

// SCSS variable
$cyan-blue-azure: #4682BF;

// With RGB channels (useful for rgba() usage)
$cyan-blue-azure-r: 70;
$cyan-blue-azure-g: 130;
$cyan-blue-azure-b: 191;

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