#F50037
#30558B
#F1FAEE
#E1BA00
#E63946Vermilion
#1D3557Prussian Blue
#F1FAEESmoke
#F4D35ESaffron
Poster Red is a vivid complementary color palette tagged modern, red, white. Near-complementary hues (about 168° 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 |
|---|---|---|---|---|---|
| Vermilion | #E63946 | rgb(230, 57, 70) | hsl(355, 78%, 56%) | oklch(61.2% 0.208 22) | |
| Prussian Blue | #1D3557 | rgb(29, 53, 87) | hsl(215, 50%, 23%) | oklch(32.8% 0.068 257) | |
| Smoke | #F1FAEE | rgb(241, 250, 238) | hsl(105, 55%, 96%) | oklch(97.5% 0.018 138) | |
| Saffron | #F4D35E | rgb(244, 211, 94) | hsl(47, 87%, 66%) | oklch(87.3% 0.140 94) |
Why it works and how to use it
The palette holds together thanks to its complementary hue relationship and a strong light-to-dark ladder (96% down to 23% lightness). A natural fit for websites, presentations and branding.
- Background: Smoke (#F1FAEE) is the lightest color, so it belongs on large surfaces.
- Text: Prussian Blue (#1D3557) on #F1FAEE gives 11.56:1, passing WCAG AAA.
- Primary: Saffron (#F4D35E) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Vermilion (#E63946) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Prussian Blue on Smoke at 11.56:1.
Preview on a real UI see how the palette feels in context
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Design faster with Poster Red
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
#E63946
#1D3557
#F1FAEE
#F4D35E
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#1D3557 on #F1FAEE | Aa | 11.56:1 | AAA |
#1D3557 on #F4D35E | Aa | 8.43:1 | AAA |
#E63946 on #F1FAEE | Aa | 3.9:1 | AA large only |
#E63946 on #1D3557 | Aa | 2.97:1 | Fail |
#E63946 on #F4D35E | Aa | 2.84:1 | Fail |
#F1FAEE on #F4D35E | Aa | 1.37:1 | Fail |
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