#311cd3
a balanced, electric blue · warm · closest name: blue
RGB
49, 28, 211
HSL
247°, 77%, 47%
CMYK
77, 87, 0, 17
Luminance
0.0619
Every format
| HEX | #311cd3 |
| RGB | rgb(49, 28, 211) |
| HSL | hsl(247, 77%, 47%) |
| CMYK | cmyk(77%, 87%, 0%, 17%) |
| LAB | lab(29.9 62.7 -86.8) |
| LCH | lch(29.9 107.1 305.9) |
| OKLCH | oklch(0.424 0.251 272.6) |
Copy-ready code
/* CSS */
color: #311cd3;
background-color: #311cd3;
/* Tailwind (arbitrary) */
class="text-[#311cd3] bg-[#311cd3]"
/* SCSS */
$brand: #311cd3;
/* SwiftUI */
Color(red: 0.192, green: 0.110, blue: 0.827)
/* Android */
Color.parseColor("#311cd3")Accessibility — WCAG contrast
Aa
#311cd3 on white: 9.39:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#311cd3 on black: 2.24:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red19.2%
Green11.0%
Blue82.7%
CMYK percentages
Cyan76.8%
Magenta86.7%
Yellow0.0%
Key (black)17.3%
Color previews
#311cd3 text on a black background
contrast 2.24:1
Card sample
#311cd3 text on a white background
contrast 9.39:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #311cd3;
Background color
Panel with #311cd3 background
background-color: #311cd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #311cd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(49, 28, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(49, 28, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #311cd3; background: linear-gradient(135deg, #311cd3, #AB1CD3);