colorpalette.org
COLOR
#596F80
Plumbeous
Values · copy any
On white
Aa
5.24:1
Passes AA
On black
Aa
3.34:1
AA · large text
Best text on this color
Aa#FFFFFF(5.24:1)

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Harmonies · live
Colour-blindness preview
Normal vision#596F80
Protanopia#686F81
Deuteranopia#636A80
Tritanopia#4D7374

Tints & shades

Complementary
Analogous
Triadic
Split-complementary
Tetradic
Monochromatic

Colors that go with Plumbeous

Plumbeous 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.

Plumbeous — meaning & where to use it

Plumbeous 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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Plumbeous color card — #596F80, 89, 111, 128

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

This exact shade isn't a named or standard-set colour, so it isn't indexed — but every tool above works.