hyacinth blue

noun

: a deep purplish blue that is slightly bluer than mazarine blue, redder and paler than average sapphire (see sapphire sense 2a), and redder, lighter, and stronger than cyanine blue (see cyanine blue sense 1b)

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!