COLOR
#4B577F
≈ Deep Indigo
Values · copy any
On white
Aa
7.07:1
Passes AAA
On black
Aa
2.47:1
Fails AA
Best text on this color
Aa#FFFFFF(7.07:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#4B577F
Protanopia#4A5B81
Deuteranopia#45567E
Tritanopia#3B5F65
Tints & shades
Color harmonies
Open in scheme generator →Palettes with this color
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.
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