#1b3d3f
a deep, soft cyan · cool · closest name: darkslategray
RGB
27, 61, 63
HSL
183°, 40%, 18%
CMYK
57, 3, 0, 75
Luminance
0.0393
Every format
| HEX | #1b3d3f |
| RGB | rgb(27, 61, 63) |
| HSL | hsl(183, 40%, 18%) |
| CMYK | cmyk(57%, 3%, 0%, 75%) |
| LAB | lab(23.4 -11.7 -5.0) |
| LCH | lch(23.4 12.7 203.4) |
| OKLCH | oklch(0.336 0.040 200.5) |
Copy-ready code
/* CSS */
color: #1b3d3f;
background-color: #1b3d3f;
/* Tailwind (arbitrary) */
class="text-[#1b3d3f] bg-[#1b3d3f]"
/* SCSS */
$brand: #1b3d3f;
/* SwiftUI */
Color(red: 0.106, green: 0.239, blue: 0.247)
/* Android */
Color.parseColor("#1b3d3f")Accessibility — WCAG contrast
Aa
#1b3d3f on white: 11.76:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1b3d3f on black: 1.79:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red10.6%
Green23.9%
Blue24.7%
CMYK percentages
Cyan57.1%
Magenta3.2%
Yellow0.0%
Key (black)75.3%
Color previews
#1b3d3f text on a black background
contrast 1.79:1
Card sample
#1b3d3f text on a white background
contrast 11.76:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1b3d3f;
Background color
Panel with #1b3d3f background
background-color: #1b3d3f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1b3d3f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(27, 61, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(27, 61, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1b3d3f; background: linear-gradient(135deg, #1b3d3f, #1B253F);