COLOR
#103C47
≈ Sunken Harbour
Values · copy any
On white
Aa
11.94:1
Passes AAA
On black
Aa
1.47:1
Fails AA
Best text on this color
Aa#FFFFFF(11.94:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#103C47
Protanopia#353A48
Deuteranopia#2D3447
Tritanopia#00403F
Tints & shades
Color harmonies
Open in scheme generator →Palettes with this color
Colors that go with Sunken Harbour
Sunken Harbour sits in the teal family. Pair it with coral, warm sand or a soft blush to warm up its coolness, or lean into its harmonies below for a ready-made scheme.
Closest named, CSS & systems
Colour nameSunken Harbour#1C3D44ΔE 2.2CSS nameDarkslategray#2F4F4FΔE 8.4Web-safe#003333#003333ΔE 7.5
Pantone & RAL matches are coming soon — those libraries aren't openly licensed for redistribution.
Sunken Harbour — meaning & where to use it
Sunken Harbour is a deep, shadowy teal — it reads as cool, clean and modern. It's a natural fit for tech, healthcare and coastal, spa-like brands. To keep it balanced, pair it with coral, warm sand or a soft blush to warm up its coolness.
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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.