#283c47
a deep, soft blue · cool · closest name: darkslategray
RGB
40, 60, 71
HSL
201°, 28%, 22%
CMYK
44, 16, 0, 72
Luminance
0.0414
Every format
| HEX | #283c47 |
| RGB | rgb(40, 60, 71) |
| HSL | hsl(201, 28%, 22%) |
| CMYK | cmyk(44%, 16%, 0%, 72%) |
| LAB | lab(24.1 -4.6 -9.3) |
| LCH | lch(24.1 10.3 243.6) |
| OKLCH | oklch(0.344 0.032 233.0) |
Copy-ready code
/* CSS */
color: #283c47;
background-color: #283c47;
/* Tailwind (arbitrary) */
class="text-[#283c47] bg-[#283c47]"
/* SCSS */
$brand: #283c47;
/* SwiftUI */
Color(red: 0.157, green: 0.235, blue: 0.278)
/* Android */
Color.parseColor("#283c47")Accessibility — WCAG contrast
Aa
#283c47 on white: 11.49:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#283c47 on black: 1.83:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green23.5%
Blue27.8%
CMYK percentages
Cyan43.7%
Magenta15.5%
Yellow0.0%
Key (black)72.2%
Color previews
#283c47 text on a black background
contrast 1.83:1
Card sample
#283c47 text on a white background
contrast 11.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #283c47;
Background color
Panel with #283c47 background
background-color: #283c47;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #283c47;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 60, 71, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 60, 71, 0.45);
Border & gradient
Gradient panel
border: 3px solid #283c47; background: linear-gradient(135deg, #283c47, #292847);