#3f8cbf
a balanced, vivid blue · cool · closest name: steelblue
RGB
63, 140, 191
HSL
204°, 50%, 50%
CMYK
67, 27, 0, 25
Luminance
0.2357
Every format
| HEX | #3f8cbf |
| RGB | rgb(63, 140, 191) |
| HSL | hsl(204, 50%, 50%) |
| CMYK | cmyk(67%, 27%, 0%, 25%) |
| LAB | lab(55.7 -7.4 -33.5) |
| LCH | lch(55.7 34.3 257.5) |
| OKLCH | oklch(0.614 0.108 240.8) |
Copy-ready code
/* CSS */
color: #3f8cbf;
background-color: #3f8cbf;
/* Tailwind (arbitrary) */
class="text-[#3f8cbf] bg-[#3f8cbf]"
/* SCSS */
$brand: #3f8cbf;
/* SwiftUI */
Color(red: 0.247, green: 0.549, blue: 0.749)
/* Android */
Color.parseColor("#3f8cbf")Accessibility — WCAG contrast
Aa
#3f8cbf on white: 3.67:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3f8cbf on black: 5.71:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green54.9%
Blue74.9%
CMYK percentages
Cyan67.0%
Magenta26.7%
Yellow0.0%
Key (black)25.1%
Color previews
#3f8cbf text on a black background
contrast 5.71:1
Card sample
#3f8cbf text on a white background
contrast 3.67:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f8cbf;
Background color
Panel with #3f8cbf background
background-color: #3f8cbf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f8cbf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 140, 191, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 140, 191, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f8cbf; background: linear-gradient(135deg, #3f8cbf, #473FBF);