COBALT

Shade of blue (6)

Solution has appeared in 3 crosswords (3 across and 0 down):

• Quick crossword No 16,081 — 2021-11-20 00:00:12
  14A: Kind of deep blue — metal (6)
• Quick crossword No 15,860 — 2021-03-08 00:00:16
  10A: Hard magnetic metal, Co (6)
• Quick crossword No 15,410 — 2019-09-26 23:00:15
  13A: Shade of blue (6)