#3f8cd4
a balanced, vivid blue · cool · closest name: steelblue
RGB
63, 140, 212
HSL
209°, 63%, 54%
CMYK
70, 34, 0, 17
Luminance
0.2457
Every format
| HEX | #3f8cd4 |
| RGB | rgb(63, 140, 212) |
| HSL | hsl(209, 63%, 54%) |
| CMYK | cmyk(70%, 34%, 0%, 17%) |
| LAB | lab(56.6 -0.2 -43.8) |
| LCH | lch(56.6 43.8 269.8) |
| OKLCH | oklch(0.625 0.133 249.5) |
Copy-ready code
/* CSS */
color: #3f8cd4;
background-color: #3f8cd4;
/* Tailwind (arbitrary) */
class="text-[#3f8cd4] bg-[#3f8cd4]"
/* SCSS */
$brand: #3f8cd4;
/* SwiftUI */
Color(red: 0.247, green: 0.549, blue: 0.831)
/* Android */
Color.parseColor("#3f8cd4")Accessibility — WCAG contrast
Aa
#3f8cd4 on white: 3.55:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3f8cd4 on black: 5.91:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green54.9%
Blue83.1%
CMYK percentages
Cyan70.3%
Magenta34.0%
Yellow0.0%
Key (black)16.9%
Color previews
#3f8cd4 text on a black background
contrast 5.91:1
Card sample
#3f8cd4 text on a white background
contrast 3.55:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f8cd4;
Background color
Panel with #3f8cd4 background
background-color: #3f8cd4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f8cd4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 140, 212, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 140, 212, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f8cd4; background: linear-gradient(135deg, #3f8cd4, #553FD4);