#0B2447
#3B5C9E
#6E86D6
#A5D7E8
#1D428BCobalt
#3C5FD2Royal Blue
#2E7BC0Ocean
#3DD6FASky Blue
Royal Blue & Ocean Vibe is a vivid analogous color palette tagged ocean, cold, blue. The hues stay within 35° 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 |
|---|---|---|---|---|---|
| Cobalt | #1D428B | rgb(29, 66, 139) | hsl(220, 65%, 33%) | oklch(39.7% 0.129 262) | |
| Royal Blue | #3C5FD2 | rgb(60, 95, 210) | hsl(226, 62%, 53%) | oklch(52.7% 0.182 267) | |
| Ocean | #2E7BC0 | rgb(46, 123, 192) | hsl(208, 61%, 47%) | oklch(56.9% 0.130 249) | |
| Sky Blue | #3DD6FA | rgb(61, 214, 250) | hsl(191, 95%, 61%) | oklch(81.3% 0.132 218) |
Why it works and how to use it
The palette holds together thanks to its analogous hue relationship and a soft light-to-dark ladder (61% down to 33% lightness). A natural fit for websites, presentations and branding.
- Background: Sky Blue (#3DD6FA) is the lightest color, so it belongs on large surfaces.
- Text: Cobalt (#1D428B) on #3DD6FA gives 5.53:1, passing WCAG AA.
- Primary: Royal Blue (#3C5FD2) is the most saturated mid-tone; use it for buttons and links (3.24:1 against the background, fine for UI elements).
- Accent: Ocean (#2E7BC0) for highlights, badges and hover states.
1 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Cobalt on Sky Blue at 5.53:1.
Preview on a real UI see how the palette feels in context
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Design faster with Royal Blue & Ocean Vibe
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
#1D428B
#3C5FD2
#2E7BC0
#3DD6FA
Color-blind check: under deuteranopia and tritanopia, Royal Blue and Ocean become hard to tell apart, so do not rely on that pair alone to carry meaning.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#1D428B on #3DD6FA | Aa | 5.53:1 | AA |
#3C5FD2 on #3DD6FA | Aa | 3.24:1 | AA large only |
#2E7BC0 on #3DD6FA | Aa | 2.59:1 | Fail |
#1D428B on #2E7BC0 | Aa | 2.14:1 | Fail |
#1D428B on #3C5FD2 | Aa | 1.71:1 | Fail |
#3C5FD2 on #2E7BC0 | Aa | 1.25:1 | Fail |
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