Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Frost | #EEF4FF | rgb(238, 244, 255) | hsl(219, 100%, 97%) | oklch(96.6% 0.016 263) | |
| Baby Blue | #9CBDFF | rgb(156, 189, 255) | hsl(220, 100%, 81%) | oklch(79.9% 0.101 264) | |
| Blueberry | #4C7DFF | rgb(76, 125, 255) | hsl(224, 100%, 65%) | oklch(62.6% 0.201 265) | |
| Dusk | #3B5486 | rgb(59, 84, 134) | hsl(220, 39%, 38%) | oklch(45.0% 0.088 263) |
Why it works and how to use it
Royal Blueberry & Baby Blue is a vivid monochromatic color palette tagged modern, cold, white. All four colors sit within 4° 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.
With 3 chromatic colors, Baby Blue takes the lead while the rest support. Lightness runs from 38% to 97%. Well suited to websites, presentations and branding.
- Background: Frost (#EEF4FF) is the lightest color, so it belongs on large surfaces.
- Text: Dusk (#3B5486) on #EEF4FF gives 6.8:1, passing WCAG AA.
- Primary: Baby Blue (#9CBDFF) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Blueberry (#4C7DFF) for highlights, badges and hover states.
1 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Frost on Dusk at 6.8:1.
Preview on a real UI see how the palette feels in context
Design faster with Royal Blueberry & Baby Blue
A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.
Primary action SecondaryColor blindness simulation
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 |
|---|---|---|---|
#EEF4FF on #3B5486 | Aa | 6.8:1 | AA |
#9CBDFF on #3B5486 | Aa | 3.98:1 | AA large only |
#EEF4FF on #4C7DFF | Aa | 3.35:1 | AA large only |
#4C7DFF on #3B5486 | Aa | 2.03:1 | Fail |
#9CBDFF on #4C7DFF | Aa | 1.96:1 | Fail |
#EEF4FF on #9CBDFF | Aa | 1.71:1 | Fail |