#1b3df0
a balanced, electric blue · warm · closest name: blue
RGB
27, 61, 240
HSL
230°, 88%, 52%
CMYK
89, 75, 0, 6
Luminance
0.0986
Every format
| HEX | #1b3df0 |
| RGB | rgb(27, 61, 240) |
| HSL | hsl(230, 88%, 52%) |
| CMYK | cmyk(89%, 75%, 0%, 6%) |
| LAB | lab(37.6 55.3 -90.6) |
| LCH | lch(37.6 106.1 301.4) |
| OKLCH | oklch(0.485 0.263 265.9) |
Copy-ready code
/* CSS */
color: #1b3df0;
background-color: #1b3df0;
/* Tailwind (arbitrary) */
class="text-[#1b3df0] bg-[#1b3df0]"
/* SCSS */
$brand: #1b3df0;
/* SwiftUI */
Color(red: 0.106, green: 0.239, blue: 0.941)
/* Android */
Color.parseColor("#1b3df0")Accessibility — WCAG contrast
Aa
#1b3df0 on white: 7.07:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1b3df0 on black: 2.97:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red10.6%
Green23.9%
Blue94.1%
CMYK percentages
Cyan88.8%
Magenta74.6%
Yellow0.0%
Key (black)5.9%
Color previews
#1b3df0 text on a black background
contrast 2.97:1
Card sample
#1b3df0 text on a white background
contrast 7.07:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1b3df0;
Background color
Panel with #1b3df0 background
background-color: #1b3df0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1b3df0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(27, 61, 240, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(27, 61, 240, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1b3df0; background: linear-gradient(135deg, #1b3df0, #871BF0);