#6688aa
a balanced, soft blue · cool · closest name: steelblue
RGB
102, 136, 170
HSL
210°, 29%, 53%
CMYK
40, 20, 0, 33
Luminance
0.2334
Every format
| HEX | #6688aa |
| RGB | rgb(102, 136, 170) |
| HSL | hsl(210, 29%, 53%) |
| CMYK | cmyk(40%, 20%, 0%, 33%) |
| LAB | lab(55.4 -3.0 -21.8) |
| LCH | lch(55.4 22.0 262.1) |
| OKLCH | oklch(0.614 0.065 248.9) |
Copy-ready code
/* CSS */
color: #6688aa;
background-color: #6688aa;
/* Tailwind (arbitrary) */
class="text-[#6688aa] bg-[#6688aa]"
/* SCSS */
$brand: #6688aa;
/* SwiftUI */
Color(red: 0.400, green: 0.533, blue: 0.667)
/* Android */
Color.parseColor("#6688aa")Accessibility — WCAG contrast
Aa
#6688aa on white: 3.71:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#6688aa on black: 5.67:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green53.3%
Blue66.7%
CMYK percentages
Cyan40.0%
Magenta20.0%
Yellow0.0%
Key (black)33.3%
Color previews
#6688aa text on a black background
contrast 5.67:1
Card sample
#6688aa text on a white background
contrast 3.71:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #6688aa;
Background color
Panel with #6688aa background
background-color: #6688aa;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #6688aa;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 136, 170, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 136, 170, 0.45);
Border & gradient
Gradient panel
border: 3px solid #6688aa; background: linear-gradient(135deg, #6688aa, #7166AA);