#1b3df7
a balanced, electric blue · warm · closest name: blue
RGB
27, 61, 247
HSL
231°, 93%, 54%
CMYK
89, 75, 0, 3
Luminance
0.1029
Every format
| HEX | #1b3df7 |
| RGB | rgb(27, 61, 247) |
| HSL | hsl(231, 93%, 54%) |
| CMYK | cmyk(89%, 75%, 0%, 3%) |
| LAB | lab(38.4 57.6 -93.3) |
| LCH | lch(38.4 109.6 301.7) |
| OKLCH | oklch(0.492 0.271 265.8) |
Copy-ready code
/* CSS */
color: #1b3df7;
background-color: #1b3df7;
/* Tailwind (arbitrary) */
class="text-[#1b3df7] bg-[#1b3df7]"
/* SCSS */
$brand: #1b3df7;
/* SwiftUI */
Color(red: 0.106, green: 0.239, blue: 0.969)
/* Android */
Color.parseColor("#1b3df7")Accessibility — WCAG contrast
Aa
#1b3df7 on white: 6.87:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1b3df7 on black: 3.06:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red10.6%
Green23.9%
Blue96.9%
CMYK percentages
Cyan89.1%
Magenta75.3%
Yellow0.0%
Key (black)3.1%
Color previews
#1b3df7 text on a black background
contrast 3.06:1
Card sample
#1b3df7 text on a white background
contrast 6.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1b3df7;
Background color
Panel with #1b3df7 background
background-color: #1b3df7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1b3df7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(27, 61, 247, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(27, 61, 247, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1b3df7; background: linear-gradient(135deg, #1b3df7, #8C1BF7);