#1b5fdf
a balanced, electric blue · cool · closest name: royalblue
RGB
27, 95, 223
HSL
219°, 78%, 49%
CMYK
88, 57, 0, 13
Luminance
0.1375
Every format
| HEX | #1b5fdf |
| RGB | rgb(27, 95, 223) |
| HSL | hsl(219, 78%, 49%) |
| CMYK | cmyk(88%, 57%, 0%, 13%) |
| LAB | lab(43.9 28.4 -70.6) |
| LCH | lch(43.9 76.1 291.9) |
| OKLCH | oklch(0.526 0.207 261.6) |
Copy-ready code
/* CSS */
color: #1b5fdf;
background-color: #1b5fdf;
/* Tailwind (arbitrary) */
class="text-[#1b5fdf] bg-[#1b5fdf]"
/* SCSS */
$brand: #1b5fdf;
/* SwiftUI */
Color(red: 0.106, green: 0.373, blue: 0.875)
/* Android */
Color.parseColor("#1b5fdf")Accessibility — WCAG contrast
Aa
#1b5fdf on white: 5.60:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1b5fdf on black: 3.75:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red10.6%
Green37.3%
Blue87.5%
CMYK percentages
Cyan87.9%
Magenta57.4%
Yellow0.0%
Key (black)12.5%
Color previews
#1b5fdf text on a black background
contrast 3.75:1
Card sample
#1b5fdf text on a white background
contrast 5.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1b5fdf;
Background color
Panel with #1b5fdf background
background-color: #1b5fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1b5fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(27, 95, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(27, 95, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1b5fdf; background: linear-gradient(135deg, #1b5fdf, #5A1BDF);