#556366
a dark, muted cyan · cool · closest name: darkslategray
RGB
85, 99, 102
HSL
191°, 9%, 37%
CMYK
17, 3, 0, 60
Luminance
0.1181
Every format
| HEX | #556366 |
| RGB | rgb(85, 99, 102) |
| HSL | hsl(191, 9%, 37%) |
| CMYK | cmyk(17%, 3%, 0%, 60%) |
| LAB | lab(40.9 -4.6 -3.5) |
| LCH | lch(40.9 5.8 217.1) |
| OKLCH | oklch(0.489 0.018 212.1) |
Copy-ready code
/* CSS */
color: #556366;
background-color: #556366;
/* Tailwind (arbitrary) */
class="text-[#556366] bg-[#556366]"
/* SCSS */
$brand: #556366;
/* SwiftUI */
Color(red: 0.333, green: 0.388, blue: 0.400)
/* Android */
Color.parseColor("#556366")Accessibility — WCAG contrast
Aa
#556366 on white: 6.24:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#556366 on black: 3.36:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green38.8%
Blue40.0%
CMYK percentages
Cyan16.7%
Magenta2.9%
Yellow0.0%
Key (black)60.0%
Color previews
#556366 text on a black background
contrast 3.36:1
Card sample
#556366 text on a white background
contrast 6.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #556366;
Background color
Panel with #556366 background
background-color: #556366;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #556366;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 99, 102, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 99, 102, 0.45);
Border & gradient
Gradient panel
border: 3px solid #556366; background: linear-gradient(135deg, #556366, #555866);