#90EBAA
#40B5B3
#4183B9
#F6F9EE
#659AFFCornflower
#4E78D0Royal Blue
#F5F0E1Linen
#E5AC50Marigold
Cornflower & Royal Blue Hour is a vivid complementary color palette tagged summer, blue, white. Near-complementary hues (about 178° apart) make this a high-contrast, attention-grabbing combination. Saturation runs high, so use the brightest color sparingly and let the others carry the surface area. Warm and cool hues are mixed, which adds depth.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Cornflower | #659AFF | rgb(101, 154, 255) | hsl(219, 100%, 70%) | oklch(69.6% 0.159 262) | |
| Royal Blue | #4E78D0 | rgb(78, 120, 208) | hsl(221, 58%, 56%) | oklch(58.5% 0.143 263) | |
| Linen | #F5F0E1 | rgb(245, 240, 225) | hsl(45, 50%, 92%) | oklch(95.5% 0.021 92) | |
| Marigold | #E5AC50 | rgb(229, 172, 80) | hsl(37, 74%, 61%) | oklch(78.0% 0.127 77) |
Why it works and how to use it
The palette holds together thanks to its complementary hue relationship and a soft light-to-dark ladder (92% down to 56% lightness). A natural fit for websites, presentations and branding.
- Background: Linen (#F5F0E1) is the lightest color, so it belongs on large surfaces.
- Text: Royal Blue (#4E78D0) on #F5F0E1 gives 3.75:1, enough for large headings only.
- Primary: Cornflower (#659AFF) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Marigold (#E5AC50) for highlights, badges and hover states.
No pair inside the palette reaches 4.5:1, so add black or white for body text.
Preview on a real UI see how the palette feels in context
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Design faster with Cornflower & Royal Blue Hour
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
#659AFF
#4E78D0
#F5F0E1
#E5AC50
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#4E78D0 on #F5F0E1 | Aa | 3.75:1 | AA large only |
#659AFF on #F5F0E1 | Aa | 2.42:1 | Fail |
#4E78D0 on #E5AC50 | Aa | 2.1:1 | Fail |
#F5F0E1 on #E5AC50 | Aa | 1.78:1 | Fail |
#659AFF on #4E78D0 | Aa | 1.55:1 | Fail |
#659AFF on #E5AC50 | Aa | 1.36:1 | Fail |
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