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4-Color Subterranean River Palette

4-Color Subterranean River Palette

4-color palette · Cool · Mixed · Monochromatic harmony

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4-Color Subterranean River Palette

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

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Muted 4 colors Cool Mixed Monochromatic
Likes 13,880
Colors 4

CSS variables

:root {
  --c-muted-1: #1A374D;
  --c-muted-2: #406882;
  --c-muted-3: #6998AB;
  --c-muted-4: #B1D0E0;
}

About this palette

This 4-color muted palette runs from Holiday Road (#B1D0E0) as its lightest tone to Subterranean River (#1A374D) as its darkest. It blends Subterranean River, Good Samaritan, Cloudy Sea and Holiday Road into a single set you can drop straight into a UI. Of its 6 color pairings, 1 meet the WCAG AA contrast threshold (4.5:1) for body text — the strongest is #1A374D on #B1D0E0 at 7.64:1.

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

Color breakdown

Subterranean River #1A374D
RGB
rgb(26, 55, 77)
HSL
hsl(206, 50%, 20%)
Luminance
0.035
Good Samaritan #406882
RGB
rgb(64, 104, 130)
HSL
hsl(204, 34%, 38%)
Luminance
0.126
Cloudy Sea #6998AB
RGB
rgb(105, 152, 171)
HSL
hsl(197, 28%, 54%)
Luminance
0.284
Holiday Road #B1D0E0
RGB
rgb(177, 208, 224)
HSL
hsl(200, 43%, 79%)
Luminance
0.598

Contrast & accessibility

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

Aa #1A374D on #B1D0E0 7.64:1 AAA
Aa #1A374D on #6998AB 3.94:1 AA Large
Aa #406882 on #B1D0E0 3.68:1 AA Large
Aa #1A374D on #406882 2.07:1 Fail
Aa #6998AB on #B1D0E0 1.94:1 Fail
Aa #406882 on #6998AB 1.90:1 Fail

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