Definition of cobalt blue in English:

cobalt blue

noun

mass noun
  • 1A deep blue pigment containing cobalt and aluminium oxides.

    ‘The next step is to paint some winter weeds around her, and put a nice wet wash of burnt umber and cobalt blue over the wet ground of her body.’
    ‘He mixes and grinds his own pigments, preferring rich, heavy metal colours such as cobalt blue and the cadmiums - red, violet, vermilion and yellow.’
    1. 1.1A deep blue colour.
      ‘plates rimmed with cobalt blue’
      modifier ‘the distant cobalt-blue mountains’
      • ‘Beyond him, the window framed a snowscape: a treeline with white-washed evergreens and a cobalt-blue sky overhead.’
      • ‘He was a tall, stern-looking man with cobalt-blue eyes and raven-black hair pulled snugly back.’
      • ‘She plucked a large, cobalt-blue flower and tucked it behind her ear.’
      • ‘Its tiny, bell-shaped, cobalt-blue flowers, each with a very delicate white border, form a compact cluster.’
      • ‘The next morning broke with the chatter of a half-dozen cobalt-blue hyacinth macaws, the world's largest parrots.’
      • ‘The sea reflected our good fortune in hues of glassy green, turquoise and cobalt blue and into this unearthly vision we quietly launched our sailing barque.’
      • ‘They left us as the cobalt blue waters of the deep changed to aquamarine above the massed reefs of coral.’
      • ‘Cows and goats grazing under cobalt blue skies.’
      • ‘Groundcover plantings of smoky mauve heathers come alive in spring with surrounding sweeps of cobalt blue grape hyacinths.’
      • ‘Low sitting tables, strewn with crimson rose petals and cobalt blue sequence beads welcome guests to dinner.’
      • ‘I can't wait to hang up my cobalt blue shower curtain with the gold stars.’
      • ‘It is almost impossible to avoid the gaze of the distinctive cobalt blue traffic cameras that are springing up along trunk routes.’
      • ‘Primary colours are a big blast from the past, especially cobalt blue and fuchsia pink.’
      • ‘It wasn't even a subtle, navy blue, or a blue mixed in slightly with another color, it was a deep, brilliant cobalt blue.’
      • ‘Did you know that these jeans were not just blue, but cobalt blue?’
      • ‘Now the storm had passed, the sky was a pure cobalt blue with a white sun and the world was as clean as a blank sheet of paper.’
      • ‘He looked up at the cobalt blue of his mothers eyes.’
      • ‘It is a beautiful day too, the sky a vivid cobalt blue, the sun warm and energising.’
      • ‘We dropped off the boat into water of a deep cobalt blue, with depths clearly in excess of 30m.’
      • ‘Her little dragon was cobalt blue with a grey spot on his muzzle, an adorable and shiny little fellow.’
      sky blue, azure, cobalt, cobalt blue, sapphire, cerulean, navy, navy blue, saxe, saxe blue, Oxford blue, Cambridge blue, ultramarine, lapis lazuli, indigo, aquamarine, turquoise, teal, teal blue, cyan, of the colour of the sky, of the colour of the sea