#256ad3
a balanced, vivid blue · cool · closest name: royalblue
RGB
37, 106, 211
HSL
216°, 70%, 49%
CMYK
83, 50, 0, 17
Luminance
0.1540
Every format
| HEX | #256ad3 |
| RGB | rgb(37, 106, 211) |
| HSL | hsl(216, 70%, 49%) |
| CMYK | cmyk(83%, 50%, 0%, 17%) |
| LAB | lab(46.2 17.4 -60.0) |
| LCH | lch(46.2 62.5 286.1) |
| OKLCH | oklch(0.542 0.176 259.1) |
Copy-ready code
/* CSS */
color: #256ad3;
background-color: #256ad3;
/* Tailwind (arbitrary) */
class="text-[#256ad3] bg-[#256ad3]"
/* SCSS */
$brand: #256ad3;
/* SwiftUI */
Color(red: 0.145, green: 0.416, blue: 0.827)
/* Android */
Color.parseColor("#256ad3")Accessibility — WCAG contrast
Aa
#256ad3 on white: 5.15:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#256ad3 on black: 4.08:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green41.6%
Blue82.7%
CMYK percentages
Cyan82.5%
Magenta49.8%
Yellow0.0%
Key (black)17.3%
Color previews
#256ad3 text on a black background
contrast 4.08:1
Card sample
#256ad3 text on a white background
contrast 5.15:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #256ad3;
Background color
Panel with #256ad3 background
background-color: #256ad3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #256ad3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 106, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 106, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #256ad3; background: linear-gradient(135deg, #256ad3, #5425D3);