#256ad7
a balanced, vivid blue · cool · closest name: royalblue
RGB
37, 106, 215
HSL
217°, 71%, 49%
CMYK
83, 51, 0, 16
Luminance
0.1561
Every format
| HEX | #256ad7 |
| RGB | rgb(37, 106, 215) |
| HSL | hsl(217, 71%, 49%) |
| CMYK | cmyk(83%, 51%, 0%, 16%) |
| LAB | lab(46.5 18.9 -61.9) |
| LCH | lch(46.5 64.7 287.0) |
| OKLCH | oklch(0.544 0.181 259.6) |
Copy-ready code
/* CSS */
color: #256ad7;
background-color: #256ad7;
/* Tailwind (arbitrary) */
class="text-[#256ad7] bg-[#256ad7]"
/* SCSS */
$brand: #256ad7;
/* SwiftUI */
Color(red: 0.145, green: 0.416, blue: 0.843)
/* Android */
Color.parseColor("#256ad7")Accessibility — WCAG contrast
Aa
#256ad7 on white: 5.10:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#256ad7 on black: 4.12:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green41.6%
Blue84.3%
CMYK percentages
Cyan82.8%
Magenta50.7%
Yellow0.0%
Key (black)15.7%
Color previews
#256ad7 text on a black background
contrast 4.12:1
Card sample
#256ad7 text on a white background
contrast 5.10:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #256ad7;
Background color
Panel with #256ad7 background
background-color: #256ad7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #256ad7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 106, 215, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 106, 215, 0.45);
Border & gradient
Gradient panel
border: 3px solid #256ad7; background: linear-gradient(135deg, #256ad7, #5725D7);