#7B68EE
#A594F9
#CDC1FF
#F5EFFF
#582D79Indigo
#834CAESlate Blue
#E8D8D0Bone
#F6F2EFSmoke
Scarlet Slate Blue & Indigo is a split color palette tagged cold, purple, white. The hues span about 106°, enough contrast to create a focal point without the harshness of true complements. Neither washed out nor loud, it adapts to most contexts. Warm and cool hues are mixed, which adds depth.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Indigo | #582D79 | rgb(88, 45, 121) | hsl(274, 46%, 33%) | oklch(39.1% 0.128 308) | |
| Slate Blue | #834CAE | rgb(131, 76, 174) | hsl(274, 39%, 49%) | oklch(52.5% 0.155 308) | |
| Bone | #E8D8D0 | rgb(232, 216, 208) | hsl(20, 34%, 86%) | oklch(89.3% 0.021 48) | |
| Smoke | #F6F2EF | rgb(246, 242, 239) | hsl(26, 28%, 95%) | oklch(96.3% 0.006 60) |
Why it works and how to use it
With 3 chromatic colors, Slate Blue takes the lead while the rest support. Lightness runs from 33% to 95%. Well suited to websites, presentations and branding.
- Background: Smoke (#F6F2EF) is the lightest color, so it belongs on large surfaces.
- Text: Indigo (#582D79) on #F6F2EF gives 9.13:1, passing WCAG AAA.
- Primary: Slate Blue (#834CAE) is the most saturated mid-tone; use it for buttons and links (5.23:1 against the background, fine for UI elements).
- Accent: Bone (#E8D8D0) for highlights, badges and hover states.
3 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Indigo on Smoke at 9.13:1.
Preview on a real UI see how the palette feels in context
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Design faster with Scarlet Slate Blue & Indigo
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
#582D79
#834CAE
#E8D8D0
#F6F2EF
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#582D79 on #F6F2EF | Aa | 9.13:1 | AAA |
#582D79 on #E8D8D0 | Aa | 7.34:1 | AAA |
#834CAE on #F6F2EF | Aa | 5.23:1 | AA |
#834CAE on #E8D8D0 | Aa | 4.2:1 | AA large only |
#582D79 on #834CAE | Aa | 1.75:1 | Fail |
#E8D8D0 on #F6F2EF | Aa | 1.24:1 | Fail |
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