#0B132B
#3B487A
#5C7BA8
#6FFFE9
#A2BEFFBaby Blue
#FFF9E1Buttercream
#073B6DPrussian Blue
#000814Obsidian
Prussian Blue & Obsidian Bloom is a vivid complementary color palette tagged dark, cold, blue. Baby Blue and Prussian Blue sit nearly opposite on the color wheel, so the pairing has real energy; keep one as the accent. These are bold, punchy colors that need generous white space around them. Warm and cool hues are mixed, which adds depth.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Baby Blue | #A2BEFF | rgb(162, 190, 255) | hsl(222, 100%, 82%) | oklch(80.5% 0.098 266) | |
| Buttercream | #FFF9E1 | rgb(255, 249, 225) | hsl(48, 100%, 94%) | oklch(98.0% 0.032 95) | |
| Prussian Blue | #073B6D | rgb(7, 59, 109) | hsl(209, 88%, 23%) | oklch(35.1% 0.101 253) | |
| Obsidian | #000814 | rgb(0, 8, 20) | hsl(216, 100%, 4%) | oklch(13.1% 0.034 247) |
Why it works and how to use it
With 3 chromatic colors, Baby Blue takes the lead while the rest support. Lightness runs from 4% to 94%. Well suited to websites, presentations and branding.
- Background: Buttercream (#FFF9E1) is the lightest color, so it belongs on large surfaces.
- Text: Obsidian (#000814) on #FFF9E1 gives 19.04:1, passing WCAG AAA.
- Primary: Baby Blue (#A2BEFF) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Prussian Blue (#073B6D) for highlights, badges and hover states.
4 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Buttercream on Obsidian at 19.04:1.
Preview on a real UI see how the palette feels in context
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Design faster with Prussian Blue & Obsidian Bloom
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
#A2BEFF
#FFF9E1
#073B6D
#000814
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#FFF9E1 on #000814 | Aa | 19.04:1 | AAA |
#A2BEFF on #000814 | Aa | 10.86:1 | AAA |
#FFF9E1 on #073B6D | Aa | 10.72:1 | AAA |
#A2BEFF on #073B6D | Aa | 6.11:1 | AA |
#073B6D on #000814 | Aa | 1.78:1 | Fail |
#A2BEFF on #FFF9E1 | Aa | 1.75:1 | Fail |
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