#3977af
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 119, 175
HSL
209°, 51%, 46%
CMYK
67, 32, 0, 31
Luminance
0.1716
Every format
| HEX | #3977af |
| RGB | rgb(57, 119, 175) |
| HSL | hsl(209, 51%, 46%) |
| CMYK | cmyk(67%, 32%, 0%, 31%) |
| LAB | lab(48.5 -1.6 -35.6) |
| LCH | lch(48.5 35.7 267.3) |
| OKLCH | oklch(0.554 0.108 248.3) |
Copy-ready code
/* CSS */
color: #3977af;
background-color: #3977af;
/* Tailwind (arbitrary) */
class="text-[#3977af] bg-[#3977af]"
/* SCSS */
$brand: #3977af;
/* SwiftUI */
Color(red: 0.224, green: 0.467, blue: 0.686)
/* Android */
Color.parseColor("#3977af")Accessibility — WCAG contrast
Aa
#3977af on white: 4.74:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3977af on black: 4.43:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green46.7%
Blue68.6%
CMYK percentages
Cyan67.4%
Magenta32.0%
Yellow0.0%
Key (black)31.4%
Color previews
#3977af text on a black background
contrast 4.43:1
Card sample
#3977af text on a white background
contrast 4.74:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3977af;
Background color
Panel with #3977af background
background-color: #3977af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3977af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 119, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 119, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3977af; background: linear-gradient(135deg, #3977af, #4A39AF);