COLOR
#528EB2
≈ Underwater Moonlight
Values · copy any
On white
Aa
3.58:1
AA · large text
On black
Aa
4.89:1
Passes AA
Best text on this color
Aa#1C1916(4.89:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#528EB2
Protanopia#7D8DB4
Deuteranopia#7083B1
Tritanopia#11979A
Tints & shades
Color harmonies
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Colors that go with Underwater Moonlight
Underwater Moonlight 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 nameUnderwater Moonlight#4488AAΔE 3.0CSS nameSteelblue#4682B4ΔE 5.5Web-safe#3399CC#3399CCΔE 5.1
Pantone & RAL matches are coming soon — those libraries aren't openly licensed for redistribution.
Underwater Moonlight — meaning & where to use it
Underwater Moonlight 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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This exact shade isn't a named or standard-set colour, so it isn't indexed — but every tool above works.