Similar colors View all →
Slate Grey
#666B80
Slate Grey
#6B7280
Medium Grey
#9CA3AF
Anthracite
#4B5563
Charcoal
#374151
Pearl Grey
#E5E7EB
Silver Grey
#D1D5DB
Night Grey
#1F2937
Almost Black
#111827
Navy Blue
#1E3A8A
Royal Blue
#4169E1
Steel Blue
#B0C4DE
Sapphire
#2563EB
"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 #666B80
RGB rgb(102, 107, 128)
HSL hsl(228°, 11%, 45%)
CMYK C:20% M:16% Y:0% K:50%
Luminance 0.15
WCAG Accessibility
On white 5.28:1
Aa — #666B80
Secondary text
✓ AA ✗ AAA ✓ AA Large
On black 3.98:1
Aa — #666B80
Secondary text
✗ AA ✗ AAA ✓ AA Large

All harmonies

Complementary
#666B80 #7F7A66
Analogous
#66787F #666B80 #6E667F
Triadic
#666B80 #7F666B #6B7F66
Split-comp.
#666B80 #7F6E66 #787F66
Tetradic
#666B80 #7F6678 #7F7A66 #667F6E
Monochromatic
#D8D9D9 #A5A5A7 #727274 #58595A #323334
Suggested palettes for this hue.
Danger Red View all →
Grey Minimal View all →
Leather & Wood View all →

  
Discover more colors View all →
Almost Black
#111827
Pure Black
#000000
Ivory
#F8F7F4
Slate Grey
#6B7280
Silver Grey
#D1D5DB
Smoke White
#F5F5F5
Pure White
#FFFFFF
Medium Grey
#9CA3AF
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