#1b283c
a deep, soft blue · cool · closest name: black
RGB
27, 40, 60
HSL
216°, 38%, 17%
CMYK
55, 33, 0, 77
Luminance
0.0208
Every format
| HEX | #1b283c |
| RGB | rgb(27, 40, 60) |
| HSL | hsl(216, 38%, 17%) |
| CMYK | cmyk(55%, 33%, 0%, 77%) |
| LAB | lab(15.9 1.2 -14.5) |
| LCH | lch(15.9 14.6 274.7) |
| OKLCH | oklch(0.275 0.042 258.8) |
Copy-ready code
/* CSS */
color: #1b283c;
background-color: #1b283c;
/* Tailwind (arbitrary) */
class="text-[#1b283c] bg-[#1b283c]"
/* SCSS */
$brand: #1b283c;
/* SwiftUI */
Color(red: 0.106, green: 0.157, blue: 0.235)
/* Android */
Color.parseColor("#1b283c")Accessibility — WCAG contrast
Aa
#1b283c on white: 14.84:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1b283c on black: 1.42:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red10.6%
Green15.7%
Blue23.5%
CMYK percentages
Cyan55.0%
Magenta33.3%
Yellow0.0%
Key (black)76.5%
Color previews
#1b283c text on a black background
contrast 1.42:1
Card sample
#1b283c text on a white background
contrast 14.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1b283c;
Background color
Panel with #1b283c background
background-color: #1b283c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1b283c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(27, 40, 60, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(27, 40, 60, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1b283c; background: linear-gradient(135deg, #1b283c, #241B3C);