#1b304b
a deep, vivid blue · cool · closest name: darkslategray
RGB
27, 48, 75
HSL
214°, 47%, 20%
CMYK
64, 36, 0, 71
Luminance
0.0285
Every format
| HEX | #1b304b |
| RGB | rgb(27, 48, 75) |
| HSL | hsl(214, 47%, 20%) |
| CMYK | cmyk(64%, 36%, 0%, 71%) |
| LAB | lab(19.4 1.2 -19.2) |
| LCH | lch(19.4 19.3 273.6) |
| OKLCH | oklch(0.306 0.056 255.3) |
Copy-ready code
/* CSS */
color: #1b304b;
background-color: #1b304b;
/* Tailwind (arbitrary) */
class="text-[#1b304b] bg-[#1b304b]"
/* SCSS */
$brand: #1b304b;
/* SwiftUI */
Color(red: 0.106, green: 0.188, blue: 0.294)
/* Android */
Color.parseColor("#1b304b")Accessibility — WCAG contrast
Aa
#1b304b on white: 13.37:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1b304b on black: 1.57:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red10.6%
Green18.8%
Blue29.4%
CMYK percentages
Cyan64.0%
Magenta36.0%
Yellow0.0%
Key (black)70.6%
Color previews
#1b304b text on a black background
contrast 1.57:1
Card sample
#1b304b text on a white background
contrast 13.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1b304b;
Background color
Panel with #1b304b background
background-color: #1b304b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1b304b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(27, 48, 75, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(27, 48, 75, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1b304b; background: linear-gradient(135deg, #1b304b, #261B4B);