#1b233f
a deep, soft blue · warm · closest name: black
RGB
27, 35, 63
HSL
227°, 40%, 18%
CMYK
57, 44, 0, 75
Luminance
0.0179
Every format
| HEX | #1b233f |
| RGB | rgb(27, 35, 63) |
| HSL | hsl(227, 40%, 18%) |
| CMYK | cmyk(57%, 44%, 0%, 75%) |
| LAB | lab(14.4 6.0 -19.0) |
| LCH | lch(14.4 19.9 287.5) |
| OKLCH | oklch(0.264 0.054 270.3) |
Copy-ready code
/* CSS */
color: #1b233f;
background-color: #1b233f;
/* Tailwind (arbitrary) */
class="text-[#1b233f] bg-[#1b233f]"
/* SCSS */
$brand: #1b233f;
/* SwiftUI */
Color(red: 0.106, green: 0.137, blue: 0.247)
/* Android */
Color.parseColor("#1b233f")Accessibility — WCAG contrast
Aa
#1b233f on white: 15.45:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1b233f on black: 1.36:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red10.6%
Green13.7%
Blue24.7%
CMYK percentages
Cyan57.1%
Magenta44.4%
Yellow0.0%
Key (black)75.3%
Color previews
#1b233f text on a black background
contrast 1.36:1
Card sample
#1b233f text on a white background
contrast 15.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1b233f;
Background color
Panel with #1b233f background
background-color: #1b233f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1b233f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(27, 35, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(27, 35, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1b233f; background: linear-gradient(135deg, #1b233f, #2B1B3F);