Home Color Palettes 4-Color Overdue Blue Palette

4-Color Overdue Blue Palette

4-color palette · Cool · Mixed · Analogous harmony

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4-Color Overdue Blue Palette

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

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Vibrant 4 colors Cool Mixed Analogous

Likes 3,954

Colors 4

CSS variables

:root {
  --c-vibrant-1: #4300FF;
  --c-vibrant-2: #0065F8;
  --c-vibrant-3: #00CAFF;
  --c-vibrant-4: #00FFDE;
}

About this palette

This 4-color vibrant palette runs from Ice Ice Baby (#00FFDE) as its lightest tone to Overdue Blue (#4300FF) as its darkest. It blends Overdue Blue, Bright Blue, Vivid Sky Blue and Ice Ice Baby 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 #4300FF on #00FFDE at 6.1:1.

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

Color breakdown

Overdue Blue #4300FF

RGB: rgb(67, 0, 255)
HSL: hsl(256, 100%, 50%)
Luminance: 0.084

Bright Blue #0065F8

RGB: rgb(0, 101, 248)
HSL: hsl(216, 100%, 49%)
Luminance: 0.161

Vivid Sky Blue #00CAFF

RGB: rgb(0, 202, 255)
HSL: hsl(192, 100%, 50%)
Luminance: 0.495

Ice Ice Baby #00FFDE

RGB: rgb(0, 255, 222)
HSL: hsl(172, 100%, 50%)
Luminance: 0.768

Contrast & accessibility

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

Aa #4300FF on #00FFDE 6.10:1 AA

Aa #4300FF on #00CAFF 4.06:1 AA Large

Aa #0065F8 on #00FFDE 3.88:1 AA Large

Aa #0065F8 on #00CAFF 2.58:1 Fail

Aa #4300FF on #0065F8 1.57:1 Fail

Aa #00CAFF on #00FFDE 1.50:1 Fail

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