What are the hex codes in the Cornflower & Prussian Blue Muse palette?

The Cornflower & Prussian Blue Muse color palette consists of Smoke #F5F1FB, Periwinkle #C9D1F5, Cornflower #7B92E2, Prussian Blue #243770.

How should I use the Cornflower & Prussian Blue Muse palette on a website?

Use Smoke #F5F1FB as the background, Prussian Blue #243770 for text, Periwinkle #C9D1F5 for buttons and links, and Cornflower #7B92E2 for accents. 2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Smoke on Prussian Blue at 10.16:1.

Which colors in Cornflower & Prussian Blue Muse have enough contrast for text?

The highest-contrast pair is #F5F1FB on #243770 with a ratio of 10.16:1, which passes WCAG AA for normal text.

#F5F1FBSmoke

#C9D1F5Periwinkle

#7B92E2Cornflower

#243770Prussian Blue

Cornflower & Prussian Blue Muse color palette

Cold White Blue

Color codes click any value to copy

Name	HEX	RGB	HSL	OKLCH
Smoke	`#F5F1FB`	`rgb(245, 241, 251)`	`hsl(264, 56%, 96%)`	`oklch(96.4% 0.014 304)`
Periwinkle	`#C9D1F5`	`rgb(201, 209, 245)`	`hsl(229, 69%, 87%)`	`oklch(86.6% 0.051 275)`
Cornflower	`#7B92E2`	`rgb(123, 146, 226)`	`hsl(227, 64%, 68%)`	`oklch(67.6% 0.122 271)`
Prussian Blue	`#243770`	`rgb(36, 55, 112)`	`hsl(225, 51%, 29%)`	`oklch(35.4% 0.101 267)`

Why it works and how to use it

Cornflower & Prussian Blue Muse is a monochromatic color palette tagged cold, white, blue. A monochromatic set: the same hue family from Prussian Blue down to Smoke. Saturation is moderate, which keeps it flexible for both interfaces and print. The overall temperature is cool.

It works because the lightness range is wide (29% to 96%), which gives clear hierarchy between background, content and accents. Try it for websites, presentations and branding.

Background: Smoke (#F5F1FB) is the lightest color, so it belongs on large surfaces.
Text: Prussian Blue (#243770) on #F5F1FB gives 10.16:1, passing WCAG AAA.
Primary: Periwinkle (#C9D1F5) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
Accent: Cornflower (#7B92E2) for highlights, badges and hover states.

2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Smoke on Prussian Blue at 10.16:1.

Preview on a real UI see how the palette feels in context

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Design faster with Cornflower & Prussian Blue Muse

A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.

Primary action Secondary

Card title

Roles are assigned by lightness.

Color blindness simulation

#F5F1FB

#C9D1F5

#7B92E2

#243770

Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.

Palette card

Contrast check WCAG ratios between palette colors

Pair	Sample	Ratio	Level
`#F5F1FB` on `#243770`	Aa	10.16:1	AAA
`#C9D1F5` on `#243770`	Aa	7.5:1	AAA
`#7B92E2` on `#243770`	Aa	3.8:1	AA large only
`#F5F1FB` on `#7B92E2`	Aa	2.67:1	Fail
`#C9D1F5` on `#7B92E2`	Aa	1.97:1	Fail
`#F5F1FB` on `#C9D1F5`	Aa	1.35:1	Fail

:root {
  --smoke: #F5F1FB;
  --periwinkle: #C9D1F5;
  --cornflower: #7B92E2;
  --prussian-blue: #243770;
}

$smoke: #F5F1FB;
$periwinkle: #C9D1F5;
$cornflower: #7B92E2;
$prussian-blue: #243770;

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'smoke': '#F5F1FB',
        'periwinkle': '#C9D1F5',
        'cornflower': '#7B92E2',
        'prussian-blue': '#243770',
      },
    },
  },
};

{
  "name": "Cornflower & Prussian Blue Muse",
  "colors": [
    "#F5F1FB",
    "#C9D1F5",
    "#7B92E2",
    "#243770"
  ]
}

background: linear-gradient(135deg, #F5F1FB, #C9D1F5, #7B92E2, #243770);

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Added 2026-07-23 · Free for commercial use, no attribution needed.

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