COLOR
#404856
≈ Starless Night
Values · copy any
On white
Aa
9.21:1
Passes AAA
On black
Aa
1.90:1
Fails AA
Best text on this color
Aa#FFFFFF(9.21:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#404856
Protanopia#434957
Deuteranopia#414756
Tritanopia#3A4B4D
Tints & shades
Color harmonies
Open in scheme generator →Colors that go with Starless Night
Starless Night 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
Colour nameStarless Night#3E4855ΔE 1.4CSS nameDarkslateblue#483D8BΔE 13.5Web-safe#333333#333333ΔE 10.3
Pantone & RAL matches are coming soon — those libraries aren't openly licensed for redistribution.
Starless Night — meaning & where to use it
Starless Night is a deep, shadowy 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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