#2f51df
a balanced, vivid blue · warm · closest name: royalblue
RGB
47, 81, 223
HSL
228°, 73%, 53%
CMYK
79, 64, 0, 13
Luminance
0.1182
Every format
| HEX | #2f51df |
| RGB | rgb(47, 81, 223) |
| HSL | hsl(228, 73%, 53%) |
| CMYK | cmyk(79%, 64%, 0%, 13%) |
| LAB | lab(40.9 38.7 -75.4) |
| LCH | lch(40.9 84.8 297.2) |
| OKLCH | oklch(0.506 0.219 267.2) |
Copy-ready code
/* CSS */
color: #2f51df;
background-color: #2f51df;
/* Tailwind (arbitrary) */
class="text-[#2f51df] bg-[#2f51df]"
/* SCSS */
$brand: #2f51df;
/* SwiftUI */
Color(red: 0.184, green: 0.318, blue: 0.875)
/* Android */
Color.parseColor("#2f51df")Accessibility — WCAG contrast
Aa
#2f51df on white: 6.24:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#2f51df on black: 3.36:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.4%
Green31.8%
Blue87.5%
CMYK percentages
Cyan78.9%
Magenta63.7%
Yellow0.0%
Key (black)12.5%
Color previews
#2f51df text on a black background
contrast 3.36:1
Card sample
#2f51df text on a white background
contrast 6.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2f51df;
Background color
Panel with #2f51df background
background-color: #2f51df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2f51df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(47, 81, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(47, 81, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2f51df; background: linear-gradient(135deg, #2f51df, #822FDF);