COLOR
#BBDEF2
≈ Sleepless Blue
Values · copy any
On white
Aa
1.41:1
Fails AA
On black
Aa
12.37:1
Passes AAA
Best text on this color
Aa#1C1916(12.37:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#BBDEF2
Protanopia#D5DCF3
Deuteranopia#CDD6F2
Tritanopia#ABE4E4
Tints & shades
Color harmonies
Open in scheme generator →Colors that go with Sleepless Blue
Sleepless Blue 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
Pantone & RAL matches are coming soon — those libraries aren't openly licensed for redistribution.
Sleepless Blue — meaning & where to use it
Sleepless Blue is a light, airy 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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