Similar colors View all →
Slate Grey
#66657C
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
Pure Blue
#0000FF
Amethyst
#6D28D9
Night Indigo
#4C1D95
"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 #66657C
RGB rgb(102, 101, 124)
HSL hsl(243°, 10%, 44%)
CMYK C:18% M:19% Y:0% K:51%
Luminance 0.1363
WCAG Accessibility
On white 5.65:1
Aa — #66657C
Secondary text
✓ AA ✗ AAA ✓ AA Large
On black 3.72:1
Aa — #66657C
Secondary text
✗ AA ✗ AAA ✓ AA Large

All harmonies

Complementary
#66657C #7A7B65
Analogous
#656F7B #66657C #71657B
Triadic
#66657C #7B6665 #657B66
Split-comp.
#66657C #7B7165 #6F7B65
Tetradic
#66657C #7B656F #7A7B65 #657B71
Monochromatic
#D6D6D6 #A3A3A3 #707070 #575757 #303030
Suggested palettes for this hue.
Cherry Blossom View all →
Red Passion View all →
Blue Serenity View all →

  
Discover more colors View all →
Charcoal
#374151
Almost Black
#111827
Pure Black
#000000
Anthracite
#4B5563
Pearl Grey
#E5E7EB
Medium Grey
#9CA3AF
Night Grey
#1F2937
Slate Grey
#6B7280
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