#1b5dfd
a balanced, electric blue · cool · closest name: royalblue
RGB
27, 93, 253
HSL
223°, 98%, 55%
CMYK
89, 63, 0, 1
Luminance
0.1515
Every format
| HEX | #1b5dfd |
| RGB | rgb(27, 93, 253) |
| HSL | hsl(223, 98%, 55%) |
| CMYK | cmyk(89%, 63%, 0%, 1%) |
| LAB | lab(45.8 40.9 -84.3) |
| LCH | lch(45.8 93.7 295.9) |
| OKLCH | oklch(0.548 0.246 263.4) |
Copy-ready code
/* CSS */
color: #1b5dfd;
background-color: #1b5dfd;
/* Tailwind (arbitrary) */
class="text-[#1b5dfd] bg-[#1b5dfd]"
/* SCSS */
$brand: #1b5dfd;
/* SwiftUI */
Color(red: 0.106, green: 0.365, blue: 0.992)
/* Android */
Color.parseColor("#1b5dfd")Accessibility — WCAG contrast
Aa
#1b5dfd on white: 5.21:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1b5dfd on black: 4.03:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red10.6%
Green36.5%
Blue99.2%
CMYK percentages
Cyan89.3%
Magenta63.2%
Yellow0.0%
Key (black)0.8%
Color previews
#1b5dfd text on a black background
contrast 4.03:1
Card sample
#1b5dfd text on a white background
contrast 5.21:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1b5dfd;
Background color
Panel with #1b5dfd background
background-color: #1b5dfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1b5dfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(27, 93, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(27, 93, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1b5dfd; background: linear-gradient(135deg, #1b5dfd, #701BFD);