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4-Color Subterranean River Palette

4-Color Subterranean River Palette

4-color palette · Neutral · Mixed · Complementary harmony

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4-Color Subterranean River Palette

4-color palette · Neutral temperature · Mixed tone · Complementary harmony

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Earthy 4 colors Neutral Mixed Complementary
Likes 7,064
Colors 4

CSS variables

:root {
  --c-earthy-1: #1B3C53;
  --c-earthy-2: #456882;
  --c-earthy-3: #D2C1B6;
  --c-earthy-4: #F9F3EF;
}

About this palette

This 4-color earthy palette runs from Crystal Cut (#F9F3EF) as its lightest tone to Subterranean River (#1B3C53) as its darkest. It blends Subterranean River, Eames for Blue, Rabbit’s Foot and Crystal Cut into a single set you can drop straight into a UI. Of its 6 color pairings, 3 meet the WCAG AA contrast threshold (4.5:1) for body text — the strongest is #1B3C53 on #F9F3EF at 10.5:1.

Grounded, natural tones — suits sustainability/organic brands, coffee shops, outdoor gear, and warm editorial typography.

Color breakdown

Subterranean River #1B3C53
RGB
rgb(27, 60, 83)
HSL
hsl(205, 51%, 22%)
Luminance
0.041
Eames for Blue #456882
RGB
rgb(69, 104, 130)
HSL
hsl(206, 31%, 39%)
Luminance
0.128
Rabbit’s Foot #D2C1B6
RGB
rgb(210, 193, 182)
HSL
hsl(24, 24%, 77%)
Luminance
0.552
Crystal Cut #F9F3EF
RGB
rgb(249, 243, 239)
HSL
hsl(24, 45%, 96%)
Luminance
0.905

Contrast & accessibility

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

Aa #1B3C53 on #F9F3EF 10.50:1 AAA
Aa #1B3C53 on #D2C1B6 6.63:1 AA
Aa #456882 on #F9F3EF 5.37:1 AA
Aa #456882 on #D2C1B6 3.39:1 AA Large
Aa #1B3C53 on #456882 1.96:1 Fail
Aa #D2C1B6 on #F9F3EF 1.59:1 Fail

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