#1b3f4b
a deep, vivid cyan · cool · closest name: darkslategray
RGB
27, 63, 75
HSL
195°, 47%, 20%
CMYK
64, 16, 0, 71
Luminance
0.0430
Every format
| HEX | #1b3f4b |
| RGB | rgb(27, 63, 75) |
| HSL | hsl(195, 47%, 20%) |
| CMYK | cmyk(64%, 16%, 0%, 71%) |
| LAB | lab(24.6 -8.8 -11.2) |
| LCH | lch(24.6 14.2 231.9) |
| OKLCH | oklch(0.347 0.046 222.4) |
Copy-ready code
/* CSS */
color: #1b3f4b;
background-color: #1b3f4b;
/* Tailwind (arbitrary) */
class="text-[#1b3f4b] bg-[#1b3f4b]"
/* SCSS */
$brand: #1b3f4b;
/* SwiftUI */
Color(red: 0.106, green: 0.247, blue: 0.294)
/* Android */
Color.parseColor("#1b3f4b")Accessibility — WCAG contrast
Aa
#1b3f4b on white: 11.30:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1b3f4b on black: 1.86:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red10.6%
Green24.7%
Blue29.4%
CMYK percentages
Cyan64.0%
Magenta16.0%
Yellow0.0%
Key (black)70.6%
Color previews
#1b3f4b text on a black background
contrast 1.86:1
Card sample
#1b3f4b text on a white background
contrast 11.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1b3f4b;
Background color
Panel with #1b3f4b background
background-color: #1b3f4b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1b3f4b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(27, 63, 75, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(27, 63, 75, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1b3f4b; background: linear-gradient(135deg, #1b3f4b, #1B1F4B);