vibrant
Black and Slate Gray
5.18:1 contrast ratio —
AAVisual Preview
#000000Black
#708090Slate Gray
The quick brown fox
Body text — Black on Slate Gray
Supporting text at reduced opacity
Badge
Reversed — Slate Gray on Black
Inverted combination preview
Contrast Analysis
Contrast Ratio
5.18:1
AAWCAG AA
✓ Pass
Requires 4.5:1
WCAG AA Large
✓ Pass
Requires 3:1
WCAG AAA
✗ Fail
Requires 7:1
Color Values
Black
Foreground (Text)
- HEX
- #000000
- RGB
- rgb(0, 0, 0)
- HSL
- hsl(0, 0%, 0%)
Slate Gray
Background
- HEX
- #708090
- RGB
- rgb(112, 128, 144)
- HSL
- hsl(210, 13%, 50%)
Design Use Cases
- UI components
- Navigation
- Call-to-action buttons
- Form labels
Industry Recommendations
Digital Marketing
Consumer Apps
Retail
Social Media
E-commerce
Color Psychology
The Black tone evokes sophistication, power, and elegance, while Slate Gray brings neutrality, balance, and professionalism. Together, they create a balanced palette suited for compelling visual communication.
Palette Exports
:root {
--color-black: #000000;
--color-slate-gray: #708090;
}
.combo-black-slate-gray {
color: var(--color-black);
background-color: var(--color-slate-gray);
}Quick Snippets
CSS Variables
:root {
--color-black: #000000;
--color-slate-gray: #708090;
}Tailwind CSS
<div class="bg-slate-500 text-black"> Your content here </div>