COLOR
#263B8D
≈ Deep Space Royal
Values · copy any
On white
Aa
10.04:1
Passes AAA
On black
Aa
1.74:1
Fails AA
Best text on this color
Aa#FFFFFF(10.04:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#263B8D
Protanopia#004790
Deuteranopia#003E8B
Tritanopia#004F5E
Tints & shades
Color harmonies
Open in scheme generator →Palettes with this color
Colors that go with Deep Space Royal
Deep Space Royal 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 nameDeep Space Royal#223382ΔE 2.7CSS nameDarkslateblue#483D8BΔE 6.0Web-safe#003399#003399ΔE 3.5
Pantone & RAL matches are coming soon — those libraries aren't openly licensed for redistribution.
Deep Space Royal — meaning & where to use it
Deep Space Royal 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.