COLOR
#305563
≈ Nocturne Blue
Values · copy any
On white
Aa
8.06:1
Passes AAA
On black
Aa
2.17:1
Fails AA
Best text on this color
Aa#FFFFFF(8.06:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#305563
Protanopia#4D5364
Deuteranopia#464E63
Tritanopia#165959
Tints & shades
Color harmonies
Open in scheme generator →Colors that go with Nocturne Blue
Nocturne Blue sits in the teal family. Pair it with coral, warm sand or a soft blush to warm up its coolness, or lean into its harmonies below for a ready-made scheme.
Closest named, CSS & systems
Colour nameNocturne Blue#37525FΔE 2.5CSS nameDarkslategray#2F4F4FΔE 7.5Web-safe#336666#336666ΔE 10.2
Pantone & RAL matches are coming soon — those libraries aren't openly licensed for redistribution.
Nocturne Blue — meaning & where to use it
Nocturne Blue is a deep, shadowy teal — it reads as cool, clean and modern. It's a natural fit for tech, healthcare and coastal, spa-like brands. To keep it balanced, pair it with coral, warm sand or a soft blush to warm up its coolness.
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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.