#10002B
#5A189A
#9D4EDD
#E0AAFF
#000D1EObsidian
#164179Prussian Blue
#A074FFAmethyst
#DDDCFFLavender
Amethyst & Prussian Blue Echo is a vivid analogous color palette tagged dark, cold, black. The hues stay within 45° 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 |
|---|---|---|---|---|---|
| Obsidian | #000D1E | rgb(0, 13, 30) | hsl(214, 100%, 6%) | oklch(15.6% 0.044 249) | |
| Prussian Blue | #164179 | rgb(22, 65, 121) | hsl(214, 69%, 28%) | oklch(37.8% 0.106 257) | |
| Amethyst | #A074FF | rgb(160, 116, 255) | hsl(259, 100%, 73%) | oklch(66.7% 0.199 295) | |
| Lavender | #DDDCFF | rgb(221, 220, 255) | hsl(242, 100%, 93%) | oklch(90.6% 0.048 287) |
Why it works and how to use it
It works because the lightness range is wide (6% to 93%), which gives clear hierarchy between background, content and accents. Try it for websites, presentations and branding.
- Background: Lavender (#DDDCFF) is the lightest color, so it belongs on large surfaces.
- Text: Obsidian (#000D1E) on #DDDCFF gives 14.64:1, passing WCAG AAA.
- Primary: Amethyst (#A074FF) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Prussian Blue (#164179) for highlights, badges and hover states.
3 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Obsidian on Lavender at 14.64:1.
Preview on a real UI see how the palette feels in context
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Design faster with Amethyst & Prussian Blue Echo
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
#000D1E
#164179
#A074FF
#DDDCFF
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#000D1E on #DDDCFF | Aa | 14.64:1 | AAA |
#164179 on #DDDCFF | Aa | 7.62:1 | AAA |
#000D1E on #A074FF | Aa | 5.98:1 | AA |
#164179 on #A074FF | Aa | 3.12:1 | AA large only |
#A074FF on #DDDCFF | Aa | 2.45:1 | Fail |
#000D1E on #164179 | Aa | 1.92:1 | Fail |
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