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4-Color Subterranean River Palette

4-Color Subterranean River Palette

4-color palette · Cool · Mixed · Triadic harmony

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4-Color Subterranean River Palette

4-color palette · Cool temperature · Mixed tone · Triadic harmony

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Muted 4 colors Cool Mixed Triadic
Likes 2,030
Colors 4

CSS variables

:root {
  --c-muted-1: #213C51;
  --c-muted-2: #6594B1;
  --c-muted-3: #DDAED3;
  --c-muted-4: #EEEEEE;
}

About this palette

This 4-color muted palette runs from Super Silver (#EEEEEE) as its lightest tone to Subterranean River (#213C51) as its darkest. It blends Subterranean River, Aragonite Blue, Bff and Super Silver into a single set you can drop straight into a UI. Of its 6 color pairings, 2 meet the WCAG AA contrast threshold (4.5:1) for body text — the strongest is #213C51 on #EEEEEE at 9.89:1.

A versatile palette suitable for marketing pages, product hero blocks, illustrations, and accent UI states.

Color breakdown

Subterranean River #213C51
RGB
rgb(33, 60, 81)
HSL
hsl(206, 42%, 22%)
Luminance
0.042
Aragonite Blue #6594B1
RGB
rgb(101, 148, 177)
HSL
hsl(203, 33%, 55%)
Luminance
0.271
Bff #DDAED3
RGB
rgb(221, 174, 211)
HSL
hsl(313, 41%, 77%)
Luminance
0.504
Super Silver #EEEEEE
RGB
rgb(238, 238, 238)
HSL
hsl(0, 0%, 93%)
Luminance
0.855

Contrast & accessibility

2 of 6 color pairings meet the WCAG AA contrast threshold (4.5:1) for body text.

Aa #213C51 on #EEEEEE 9.89:1 AAA
Aa #213C51 on #DDAED3 6.05:1 AA
Aa #213C51 on #6594B1 3.51:1 AA Large
Aa #6594B1 on #EEEEEE 2.82:1 Fail
Aa #6594B1 on #DDAED3 1.72:1 Fail
Aa #DDAED3 on #EEEEEE 1.64:1 Fail

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