COLOR
#555A7C
≈ Deep Indigo
Values · copy any
On white
Aa
6.69:1
Passes AA
On black
Aa
2.62:1
Fails AA
Best text on this color
Aa#FFFFFF(6.69:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#555A7C
Protanopia#505E7D
Deuteranopia#4E5B7B
Tritanopia#4B6066
Tints & shades
Color harmonies
Open in scheme generator →Colors that go with Deep Indigo
Deep Indigo sits in the blue family. Pair it with warm accents — amber, coral or gold — to stop it feeling cold, or lean into its harmonies below for a ready-made scheme.
Closest named, CSS & systems
Pantone & RAL matches are coming soon — those libraries aren't openly licensed for redistribution.
Deep Indigo — meaning & where to use it
Deep Indigo is a rich, mid-toned blue — it reads as trustworthy, stable and professional. It's a natural fit for corporate, tech and financial brands, and dependable UI chrome. To keep it balanced, pair it with warm accents — amber, coral or gold — to stop it feeling cold.
Share image
Download image1200×1500 — sized for Pinterest, Instagram & social sharing. Free to download and use.
This exact shade isn't a named or standard-set colour, so it isn't indexed — but every tool above works.