#1b3ef1
a balanced, electric blue · warm · closest name: blue
RGB
27, 62, 241
HSL
230°, 88%, 53%
CMYK
89, 74, 0, 6
Luminance
0.1003
Every format
| HEX | #1b3ef1 |
| RGB | rgb(27, 62, 241) |
| HSL | hsl(230, 88%, 53%) |
| CMYK | cmyk(89%, 74%, 0%, 6%) |
| LAB | lab(37.9 55.1 -90.7) |
| LCH | lch(37.9 106.1 301.3) |
| OKLCH | oklch(0.487 0.264 265.8) |
Copy-ready code
/* CSS */
color: #1b3ef1;
background-color: #1b3ef1;
/* Tailwind (arbitrary) */
class="text-[#1b3ef1] bg-[#1b3ef1]"
/* SCSS */
$brand: #1b3ef1;
/* SwiftUI */
Color(red: 0.106, green: 0.243, blue: 0.945)
/* Android */
Color.parseColor("#1b3ef1")Accessibility — WCAG contrast
Aa
#1b3ef1 on white: 6.99:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1b3ef1 on black: 3.01:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red10.6%
Green24.3%
Blue94.5%
CMYK percentages
Cyan88.8%
Magenta74.3%
Yellow0.0%
Key (black)5.5%
Color previews
#1b3ef1 text on a black background
contrast 3.01:1
Card sample
#1b3ef1 text on a white background
contrast 6.99:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1b3ef1;
Background color
Panel with #1b3ef1 background
background-color: #1b3ef1;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1b3ef1;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(27, 62, 241, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(27, 62, 241, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1b3ef1; background: linear-gradient(135deg, #1b3ef1, #871BF1);