#66aaee
a light, electric blue · cool · closest name: steelblue
RGB
102, 170, 238
HSL
210°, 80%, 67%
CMYK
57, 29, 0, 7
Luminance
0.3775
Every format
| HEX | #66aaee |
| RGB | rgb(102, 170, 238) |
| HSL | hsl(210, 80%, 67%) |
| CMYK | cmyk(57%, 29%, 0%, 7%) |
| LAB | lab(67.8 -2.0 -40.5) |
| LCH | lch(67.8 40.6 267.2) |
| OKLCH | oklch(0.721 0.121 249.8) |
Copy-ready code
/* CSS */
color: #66aaee;
background-color: #66aaee;
/* Tailwind (arbitrary) */
class="text-[#66aaee] bg-[#66aaee]"
/* SCSS */
$brand: #66aaee;
/* SwiftUI */
Color(red: 0.400, green: 0.667, blue: 0.933)
/* Android */
Color.parseColor("#66aaee")Accessibility — WCAG contrast
Aa
#66aaee on white: 2.46:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66aaee on black: 8.55:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green66.7%
Blue93.3%
CMYK percentages
Cyan57.1%
Magenta28.6%
Yellow0.0%
Key (black)6.7%
Color previews
#66aaee text on a black background
contrast 8.55:1
Card sample
#66aaee text on a white background
contrast 2.46:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66aaee;
Background color
Panel with #66aaee background
background-color: #66aaee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66aaee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 170, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 170, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66aaee; background: linear-gradient(135deg, #66aaee, #7D66EE);