colorpalette.org
COLOR
#5DAFDC
Cousteau
Values · copy any
On white
Aa
2.43:1
Fails AA
On black
Aa
7.19:1
Passes AAA
Best text on this color
Aa#1C1916(7.19:1)

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Colour-blindness preview
Normal vision#5DAFDC
Protanopia#9AAEDE
Deuteranopia#88A0DB
Tritanopia#00BBBE

Tints & shades

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Split-complementary
Tetradic
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Palettes with this color

Colors that go with Cousteau

Cousteau 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.

Cousteau — meaning & where to use it

Cousteau is a bright 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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Cousteau color card — #5DAFDC, 93, 175, 220

1200×1500 — sized for Pinterest, Instagram & social sharing. Free to download and use.