#3f83ba
a balanced, vivid blue · cool · closest name: steelblue
RGB
63, 131, 186
HSL
207°, 49%, 49%
CMYK
66, 30, 0, 27
Luminance
0.2083
Every format
| HEX | #3f83ba |
| RGB | rgb(63, 131, 186) |
| HSL | hsl(207, 49%, 49%) |
| CMYK | cmyk(66%, 30%, 0%, 27%) |
| LAB | lab(52.8 -3.9 -35.2) |
| LCH | lch(52.8 35.4 263.6) |
| OKLCH | oklch(0.591 0.109 245.6) |
Copy-ready code
/* CSS */
color: #3f83ba;
background-color: #3f83ba;
/* Tailwind (arbitrary) */
class="text-[#3f83ba] bg-[#3f83ba]"
/* SCSS */
$brand: #3f83ba;
/* SwiftUI */
Color(red: 0.247, green: 0.514, blue: 0.729)
/* Android */
Color.parseColor("#3f83ba")Accessibility — WCAG contrast
Aa
#3f83ba on white: 4.06:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3f83ba on black: 5.17:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green51.4%
Blue72.9%
CMYK percentages
Cyan66.1%
Magenta29.6%
Yellow0.0%
Key (black)27.1%
Color previews
#3f83ba text on a black background
contrast 5.17:1
Card sample
#3f83ba text on a white background
contrast 4.06:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f83ba;
Background color
Panel with #3f83ba background
background-color: #3f83ba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f83ba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 131, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 131, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f83ba; background: linear-gradient(135deg, #3f83ba, #4D3FBA);