#3151df
a balanced, vivid blue · warm · closest name: royalblue
RGB
49, 81, 223
HSL
229°, 73%, 53%
CMYK
78, 64, 0, 13
Luminance
0.1187
Every format
| HEX | #3151df |
| RGB | rgb(49, 81, 223) |
| HSL | hsl(229, 73%, 53%) |
| CMYK | cmyk(78%, 64%, 0%, 13%) |
| LAB | lab(41.0 38.9 -75.3) |
| LCH | lch(41.0 84.7 297.3) |
| OKLCH | oklch(0.506 0.218 267.6) |
Copy-ready code
/* CSS */
color: #3151df;
background-color: #3151df;
/* Tailwind (arbitrary) */
class="text-[#3151df] bg-[#3151df]"
/* SCSS */
$brand: #3151df;
/* SwiftUI */
Color(red: 0.192, green: 0.318, blue: 0.875)
/* Android */
Color.parseColor("#3151df")Accessibility — WCAG contrast
Aa
#3151df on white: 6.23:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3151df on black: 3.37:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red19.2%
Green31.8%
Blue87.5%
CMYK percentages
Cyan78.0%
Magenta63.7%
Yellow0.0%
Key (black)12.5%
Color previews
#3151df text on a black background
contrast 3.37:1
Card sample
#3151df text on a white background
contrast 6.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3151df;
Background color
Panel with #3151df background
background-color: #3151df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3151df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(49, 81, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(49, 81, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3151df; background: linear-gradient(135deg, #3151df, #8531DF);