#6688bb
a balanced, soft blue · cool · closest name: steelblue
RGB
102, 136, 187
HSL
216°, 39%, 57%
CMYK
46, 27, 0, 27
Luminance
0.2402
Every format
| HEX | #6688bb |
| RGB | rgb(102, 136, 187) |
| HSL | hsl(216, 39%, 57%) |
| CMYK | cmyk(46%, 27%, 0%, 27%) |
| LAB | lab(56.1 1.9 -30.4) |
| LCH | lch(56.1 30.5 273.6) |
| OKLCH | oklch(0.622 0.087 258.3) |
Copy-ready code
/* CSS */
color: #6688bb;
background-color: #6688bb;
/* Tailwind (arbitrary) */
class="text-[#6688bb] bg-[#6688bb]"
/* SCSS */
$brand: #6688bb;
/* SwiftUI */
Color(red: 0.400, green: 0.533, blue: 0.733)
/* Android */
Color.parseColor("#6688bb")Accessibility — WCAG contrast
Aa
#6688bb on white: 3.62:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#6688bb on black: 5.80:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green53.3%
Blue73.3%
CMYK percentages
Cyan45.5%
Magenta27.3%
Yellow0.0%
Key (black)26.7%
Color previews
#6688bb text on a black background
contrast 5.80:1
Card sample
#6688bb text on a white background
contrast 3.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #6688bb;
Background color
Panel with #6688bb background
background-color: #6688bb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #6688bb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 136, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 136, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #6688bb; background: linear-gradient(135deg, #6688bb, #7D66BB);