COLOR
#3D4449
≈ Arsenic
Values · copy any
On white
Aa
9.90:1
Passes AAA
On black
Aa
1.77:1
Fails AA
Best text on this color
Aa#FFFFFF(9.90:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#3D4449
Protanopia#424449
Deuteranopia#404249
Tritanopia#3A4546
Tints & shades
Color harmonies
Open in scheme generator →Colors that go with Arsenic
Arsenic is an easy neutral to build around — combine it with a single saturated accent to give a neutral scheme a focal point, plus a tint or shade of itself for depth.
Closest named, CSS & systems
Pantone & RAL matches are coming soon — those libraries aren't openly licensed for redistribution.
Arsenic — meaning & where to use it
Arsenic is a deep, shadowy neutral — calm, versatile and understated. It works well for backgrounds, typography and minimalist, editorial layouts where colour should recede. Pair it with a single saturated accent to give a neutral scheme a focal point.
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