Home Color Palettes 4-Color Poster Blue Palette

4-Color Poster Blue Palette

4-color palette · Cool · Light · Complementary harmony

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4-Color Poster Blue Palette

4-color palette · Cool temperature · Light tone · Complementary harmony

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Muted 4 colors Cool Light Complementary

Likes 13,161

Colors 4

CSS variables

:root {
  --c-muted-1: #F3F3E0;
  --c-muted-2: #133E87;
  --c-muted-3: #608BC1;
  --c-muted-4: #CBDCEB;
}

About this palette

This 4-color muted palette runs from Full Moon (#F3F3E0) as its lightest tone to Poster Blue (#133E87) as its darkest. It blends Full Moon, Poster Blue, Danube and Alaskan Skies 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 #F3F3E0 on #133E87 at 9.05:1.

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

Color breakdown

Full Moon #F3F3E0

RGB: rgb(243, 243, 224)
HSL: hsl(60, 44%, 92%)
Luminance: 0.885

Poster Blue #133E87

RGB: rgb(19, 62, 135)
HSL: hsl(218, 75%, 30%)
Luminance: 0.053

Danube #608BC1

RGB: rgb(96, 139, 193)
HSL: hsl(213, 44%, 57%)
Luminance: 0.248

Alaskan Skies #CBDCEB

RGB: rgb(203, 220, 235)
HSL: hsl(208, 44%, 86%)
Luminance: 0.699

Contrast & accessibility

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

Aa #F3F3E0 on #133E87 9.05:1 AAA

Aa #133E87 on #CBDCEB 7.25:1 AAA

Aa #F3F3E0 on #608BC1 3.14:1 AA Large

Aa #133E87 on #608BC1 2.88:1 Fail

Aa #608BC1 on #CBDCEB 2.51:1 Fail

Aa #F3F3E0 on #CBDCEB 1.25:1 Fail

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