#0F5C63
#2A8A8C
#9FD3CF
#F2F1EA
#163B55Prussian Blue
#30769FCerulean
#3DBBEACyan
#E6FAFCSmoke
Cyan & Cerulean Muse is a vivid monochromatic color palette tagged cold, white. All four colors sit within 9° of hue, so the scheme reads as one color explored across light and dark. These are bold, punchy colors that need generous white space around them. The overall temperature is cool.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Prussian Blue | #163B55 | rgb(22, 59, 85) | hsl(205, 59%, 21%) | oklch(33.9% 0.062 242) | |
| Cerulean | #30769F | rgb(48, 118, 159) | hsl(202, 54%, 41%) | oklch(54.0% 0.095 238) | |
| Cyan | #3DBBEA | rgb(61, 187, 234) | hsl(196, 80%, 58%) | oklch(74.4% 0.126 228) | |
| Smoke | #E6FAFC | rgb(230, 250, 252) | hsl(185, 79%, 95%) | oklch(97.1% 0.021 204) |
Why it works and how to use it
The palette holds together thanks to its monochromatic hue relationship and a strong light-to-dark ladder (95% down to 21% lightness). A natural fit for websites, presentations and branding.
- Background: Smoke (#E6FAFC) is the lightest color, so it belongs on large surfaces.
- Text: Prussian Blue (#163B55) on #E6FAFC gives 10.86:1, passing WCAG AAA.
- Primary: Cyan (#3DBBEA) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Cerulean (#30769F) for highlights, badges and hover states.
3 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Prussian Blue on Smoke at 10.86:1.
Preview on a real UI see how the palette feels in context
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Design faster with Cyan & Cerulean Muse
A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.
Primary action SecondaryCard title
Card title
Card title
Roles are assigned by lightness.
Color blindness simulation
#163B55
#30769F
#3DBBEA
#E6FAFC
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#163B55 on #E6FAFC | Aa | 10.86:1 | AAA |
#163B55 on #3DBBEA | Aa | 5.3:1 | AA |
#30769F on #E6FAFC | Aa | 4.61:1 | AA |
#163B55 on #30769F | Aa | 2.36:1 | Fail |
#30769F on #3DBBEA | Aa | 2.25:1 | Fail |
#3DBBEA on #E6FAFC | Aa | 2.05:1 | Fail |
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