COLOR
#4241FA
≈ Rare Blue
Values · copy any
On white
Aa
6.23:1
Passes AA
On black
Aa
2.81:1
Fails AA
Best text on this color
Aa#FFFFFF(6.23:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#4241FA
Protanopia#0069FF
Deuteranopia#0057F7
Tritanopia#00779B
Tints & shades
Color harmonies
Open in scheme generator →Palettes with this color
Colors that go with Rare Blue
Rare Blue 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.
Rare Blue — meaning & where to use it
Rare Blue is a bright 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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This exact shade isn't a named or standard-set colour, so it isn't indexed — but every tool above works.