/**
 * @param desiredContrastColor
 * @returns the spec color for the desired contrast color. Either:
 *  - $font-color-secondary (#344054) for 'light-contrast', or
 *  - $hero-background (#F2F4F7) for 'dark-contrast'
 */
export declare const useInputLabelContrastColor: (desiredContrastColor?: 'light-contrast' | 'dark-contrast') => "#F2F4F7" | "#344054";