@Override
    public int hashCode() {
        int result;
        long temp;
        temp = Double.doubleToLongBits(l);
        result = (int) (temp ^ temp >>> 32);
        temp = Double.doubleToLongBits(a);
        result = 31 * result + (int) (temp ^ temp >>> 32);
        temp = Double.doubleToLongBits(b);
        return 31 * result + (int) (temp ^ temp >>> 32);
    }
A constant for color blue. Color components are:

<pre>
    L:   26.870
    a:   72.885
    b: -190.923
</pre>
src/main/java/org/apache/commons/imaging/color/ColorHunterLab.java