#555566
a dark, muted blue · warm · closest name: darkslategray
RGB
85, 85, 102
HSL
240°, 9%, 37%
CMYK
17, 17, 0, 60
Luminance
0.0939
Every format
| HEX | #555566 |
| RGB | rgb(85, 85, 102) |
| HSL | hsl(240, 9%, 37%) |
| CMYK | cmyk(17%, 17%, 0%, 60%) |
| LAB | lab(36.7 3.9 -9.8) |
| LCH | lch(36.7 10.5 291.9) |
| OKLCH | oklch(0.456 0.028 285.3) |
Copy-ready code
/* CSS */
color: #555566;
background-color: #555566;
/* Tailwind (arbitrary) */
class="text-[#555566] bg-[#555566]"
/* SCSS */
$brand: #555566;
/* SwiftUI */
Color(red: 0.333, green: 0.333, blue: 0.400)
/* Android */
Color.parseColor("#555566")Accessibility — WCAG contrast
Aa
#555566 on white: 7.30:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#555566 on black: 2.88:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green33.3%
Blue40.0%
CMYK percentages
Cyan16.7%
Magenta16.7%
Yellow0.0%
Key (black)60.0%
Color previews
#555566 text on a black background
contrast 2.88:1
Card sample
#555566 text on a white background
contrast 7.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #555566;
Background color
Panel with #555566 background
background-color: #555566;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #555566;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 85, 102, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 85, 102, 0.45);
Border & gradient
Gradient panel
border: 3px solid #555566; background: linear-gradient(135deg, #555566, #605566);