Bluishly

“Go light a candle,” cried Baker, sternly, “and be quick about it.” The trembling old man obeyed, and in a moment the imperfect rays flared upon his whitening hairs and bluishly pallid face.

As he moved out into the darkness, for he was beyond the orbit of the candles' influence, the lightning struck again and flared bluishly through the broken window so that at one and the same moment both Swelter and Flay caught sight of one another.