vibrant
Obsidian and Slate Gray
4.16:1 contrast ratio —
AA LargeVisual Preview
#1B1B2FObsidian
#708090Slate Gray
The quick brown fox
Body text — Obsidian on Slate Gray
Supporting text at reduced opacity
Badge
Reversed — Slate Gray on Obsidian
Inverted combination preview
Contrast Analysis
Contrast Ratio
4.16:1
AA LargeWCAG AA
✗ Fail
Requires 4.5:1
WCAG AA Large
✓ Pass
Requires 3:1
WCAG AAA
✗ Fail
Requires 7:1
Color Values
Obsidian
Foreground (Text)
- HEX
- #1B1B2F
- RGB
- rgb(27, 27, 47)
- HSL
- hsl(240, 27%, 15%)
Slate Gray
Background
- HEX
- #708090
- RGB
- rgb(112, 128, 144)
- HSL
- hsl(210, 13%, 50%)
Design Use Cases
- Decorative backgrounds
- Illustration accents
- Infographic elements
- Non-critical UI
Industry Recommendations
Digital Marketing
Consumer Apps
Retail
Social Media
E-commerce
Color Psychology
The Obsidian 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-obsidian: #1B1B2F;
--color-slate-gray: #708090;
}
.combo-obsidian-slate-gray {
color: var(--color-obsidian);
background-color: var(--color-slate-gray);
}Quick Snippets
CSS Variables
:root {
--color-obsidian: #1B1B2F;
--color-slate-gray: #708090;
}Tailwind CSS
<div class="bg-slate-500 text-slate-900"> Your content here </div>