Similar colors View all →
Steel Blue
#3F6C9E
Steel Blue
#B0C4DE
Night Grey
#1F2937
Anthracite
#4B5563
Almost Black
#111827
Charcoal
#374151
Navy Blue
#1E3A8A
Slate Grey
#6B7280
Medium Grey
#9CA3AF
Sapphire
#2563EB
Royal Blue
#4169E1
Silver Grey
#D1D5DB
Electric Blue
#3B82F6
"Steel Blue"
Blue · Winter
🧠 Psychology
Color of trust and stability. Evokes professionalism, security and serenity.
✨ Uses
Finance, banking, enterprise, software, social networks.
Tip
Steel Blue pairs ideally with #F7F5F0 (off-white) and a neutral background for a modern, readable result.
Values
HEX #3F6C9E
RGB rgb(63, 108, 158)
HSL hsl(212°, 43%, 43%)
CMYK C:60% M:32% Y:0% K:38%
Luminance 0.143
WCAG Accessibility
On white 5.45:1
Aa — #3F6C9E
Secondary text
✓ AA ✗ AAA ✓ AA Large
On black 3.85:1
Aa — #3F6C9E
Secondary text
✗ AA ✗ AAA ✓ AA Large

All harmonies

Complementary
#3F6C9E #9D713F
Analogous
#3F9A9D #3F6C9E #423F9D
Triadic
#3F6C9E #9D3F6B #6B9D3F
Split-comp.
#3F6C9E #9D423F #9A9D3F
Tetradic
#3F6C9E #9D3F9A #9D713F #3F9D42
Monochromatic
#C5D3E2 #829FC0 #496B92 #385270 #1F2D3D
Suggested palettes for this hue.
Berries View all →
Memphis Design View all →
Tokyo Neon View all →

  
Discover more colors View all →
Sapphire
#2563EB
Sky Blue
#60A5FA
Navy Blue
#1E3A8A
Lavender Blue
#93C5FD
Steel Blue
#B0C4DE
Deep Navy
#000080
Dodger Blue
#1E90FF
Royal Blue
#4169E1
🔄 Converter ♿ Contrast 🌈 Gradient