COLOR
#3F7293
≈ Harbour Blue
Values · copy any
On white
Aa
5.20:1
Passes AA
On black
Aa
3.37:1
AA · large text
Best text on this color
Aa#FFFFFF(5.20:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#3F7293
Protanopia#637295
Deuteranopia#586992
Tritanopia#007A7D
Tints & shades
Color harmonies
Open in scheme generator →Palettes with this color
Colors that go with Harbour Blue
Harbour 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.
Harbour Blue — meaning & where to use it
Harbour Blue 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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