COLOR
#2D343A
≈ Nightmare Fuel
Values · copy any
On white
Aa
12.62:1
Passes AAA
On black
Aa
1.39:1
Fails AA
Best text on this color
Aa#FFFFFF(12.62:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#2D343A
Protanopia#32343A
Deuteranopia#30323A
Tritanopia#2A3536
Tints & shades
Color harmonies
Open in scheme generator →Colors that go with Nightmare Fuel
Nightmare Fuel 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 nameNightmare Fuel#293135ΔE 1.9CSS nameDarkslategray#2F4F4FΔE 13.2Web-safe#333333#333333ΔE 4.7
Pantone & RAL matches are coming soon — those libraries aren't openly licensed for redistribution.
Nightmare Fuel — meaning & where to use it
Nightmare Fuel 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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