#F0F0F0Frost
#7454DDSlate Blue
#574F44Umber
#0E0E0EObsidian

Slate Blue & Umber Echo color palette

Open in generator
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Slate Blue & Umber Echo is a muted neutral-based color palette tagged luxury, dark, minimal. Slate Blue is the only saturated color here, so it does all the talking against a neutral base. Every color is softened, so it works well as a background system for text-heavy layouts.

Color codes click any value to copy

SwatchNameHEXRGBHSLOKLCH
Frost#F0F0F0rgb(240, 240, 240)hsl(0, 0%, 94%)oklch(95.5% 0.000 0)
Slate Blue#7454DDrgb(116, 84, 221)hsl(254, 67%, 60%)oklch(55.4% 0.199 289)
Umber#574F44rgb(87, 79, 68)hsl(35, 12%, 30%)oklch(43.2% 0.021 76)
Obsidian#0E0E0Ergb(14, 14, 14)hsl(0, 0%, 5%)oklch(16.4% 0.000 0)

Why it works and how to use it

It works because the lightness range is wide (5% to 94%), which gives clear hierarchy between background, content and accents. Try it for premium branding and packaging.

  • Background: Frost (#F0F0F0) is the lightest color, so it belongs on large surfaces.
  • Text: Obsidian (#0E0E0E) on #F0F0F0 gives 16.94:1, passing WCAG AAA.
  • Primary: Slate Blue (#7454DD) is the most saturated mid-tone; use it for buttons and links (4.54:1 against the background, fine for UI elements).
  • Accent: Umber (#574F44) for highlights, badges and hover states.

3 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Frost on Obsidian at 16.94:1.

Preview on a real UI see how the palette feels in context

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Design faster with Slate Blue & Umber Echo

A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.

Primary action Secondary
Card title
Card title
Card title
Roles are assigned by lightness.

Color blindness simulation

#F0F0F0
#7454DD
#574F44
#0E0E0E

Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.

Contrast check WCAG ratios between palette colors

PairSampleRatioLevel
#F0F0F0 on #0E0E0EAa16.94:1AAA
#F0F0F0 on #574F44Aa7.07:1AAA
#F0F0F0 on #7454DDAa4.54:1AA
#7454DD on #0E0E0EAa3.73:1AA large only
#574F44 on #0E0E0EAa2.4:1Fail
#7454DD on #574F44Aa1.56:1Fail

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