#0B2447
#3B5C9E
#6E86D6
#A5D7E8
#E6E0F5Lavender
#84B8E3Dusty Blue
#0072A6Cerulean
#0C2C3FPrussian Blue
Regal Cerulean & Dusty Blue is a vivid analogous color palette tagged cold, blue. The hues stay within 58° of each other on the color wheel, which is why the palette feels cohesive rather than busy. 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 |
|---|---|---|---|---|---|
| Lavender | #E6E0F5 | rgb(230, 224, 245) | hsl(257, 51%, 92%) | oklch(91.8% 0.029 299) | |
| Dusty Blue | #84B8E3 | rgb(132, 184, 227) | hsl(207, 63%, 70%) | oklch(76.2% 0.083 244) | |
| Cerulean | #0072A6 | rgb(0, 114, 166) | hsl(199, 100%, 33%) | oklch(52.5% 0.118 239) | |
| Prussian Blue | #0C2C3F | rgb(12, 44, 63) | hsl(202, 68%, 15%) | oklch(28.0% 0.051 239) |
Why it works and how to use it
The palette holds together thanks to its analogous hue relationship and a strong light-to-dark ladder (92% down to 15% lightness). A natural fit for websites, presentations and branding.
- Background: Lavender (#E6E0F5) is the lightest color, so it belongs on large surfaces.
- Text: Prussian Blue (#0C2C3F) on #E6E0F5 gives 11.29:1, passing WCAG AAA.
- Primary: Cerulean (#0072A6) is the most saturated mid-tone; use it for buttons and links (4.13:1 against the background, fine for UI elements).
- Accent: Dusty Blue (#84B8E3) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Lavender on Prussian Blue at 11.29:1.
Preview on a real UI see how the palette feels in context
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Design faster with Regal Cerulean & Dusty Blue
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
#E6E0F5
#84B8E3
#0072A6
#0C2C3F
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#E6E0F5 on #0C2C3F | Aa | 11.29:1 | AAA |
#84B8E3 on #0C2C3F | Aa | 6.87:1 | AA |
#E6E0F5 on #0072A6 | Aa | 4.13:1 | AA large only |
#0072A6 on #0C2C3F | Aa | 2.73:1 | Fail |
#84B8E3 on #0072A6 | Aa | 2.51:1 | Fail |
#E6E0F5 on #84B8E3 | Aa | 1.64:1 | Fail |
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