Similar colors View all →
Slate Grey
#666D70
Anthracite
#4B5563
Slate Grey
#6B7280
Medium Grey
#9CA3AF
Charcoal
#374151
Silver Grey
#D1D5DB
Night Grey
#1F2937
Pearl Grey
#E5E7EB
Soft Sky Blue
#87CEEB
Steel Blue
#B0C4DE
Azure
#0EA5E9
Almost Black
#111827
Mint Turquoise
#4ECDC4
"Slate Grey"
Neutral · Timeless
🧠 Psychology
Neutral and timeless color. Evokes elegance, sobriety and minimalism.
✨ Uses
UI design, backgrounds, typography, professional interfaces.
Tip
Slate Grey pairs ideally with #F7F5F0 (off-white) and a neutral background for a modern, readable result.
Values
HEX #666D70
RGB rgb(102, 109, 112)
HSL hsl(198°, 5%, 42%)
CMYK C:9% M:3% Y:0% K:56%
Luminance 0.1504
WCAG Accessibility
On white 5.27:1
Aa — #666D70
Secondary text
✓ AA ✗ AAA ✓ AA Large
On black 3.99:1
Aa — #666D70
Secondary text
✗ AA ✗ AAA ✓ AA Large

All harmonies

Complementary
#666D70 #706966
Analogous
#66706E #666D70 #666870
Triadic
#666D70 #70666D #6D7066
Split-comp.
#666D70 #706668 #706E66
Tetradic
#666D70 #6E6670 #706966 #687066
Monochromatic
#D1D1D1 #9E9E9E #6B6B6B #525252 #2B2B2B
Suggested palettes for this hue.
Tropical Jungle View all →
Dragonfruit View all →
Cherry Blossom View all →

  
Discover more colors View all →
Anthracite
#4B5563
Pure Black
#000000
Pearl Grey
#E5E7EB
Night Grey
#1F2937
Ivory
#F8F7F4
Almost Black
#111827
Pure White
#FFFFFF
Smoke White
#F5F5F5
🔄 Converter ♿ Contrast 🌈 Gradient