#669fdf
a balanced, vivid blue · cool · closest name: steelblue
RGB
102, 159, 223
HSL
212°, 65%, 64%
CMYK
54, 29, 0, 13
Luminance
0.3295
Every format
| HEX | #669fdf |
| RGB | rgb(102, 159, 223) |
| HSL | hsl(212, 65%, 64%) |
| CMYK | cmyk(54%, 29%, 0%, 13%) |
| LAB | lab(64.1 -0.5 -38.1) |
| LCH | lch(64.1 38.1 269.3) |
| OKLCH | oklch(0.690 0.112 252.3) |
Copy-ready code
/* CSS */
color: #669fdf;
background-color: #669fdf;
/* Tailwind (arbitrary) */
class="text-[#669fdf] bg-[#669fdf]"
/* SCSS */
$brand: #669fdf;
/* SwiftUI */
Color(red: 0.400, green: 0.624, blue: 0.875)
/* Android */
Color.parseColor("#669fdf")Accessibility — WCAG contrast
Aa
#669fdf on white: 2.77:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#669fdf on black: 7.59:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green62.4%
Blue87.5%
CMYK percentages
Cyan54.3%
Magenta28.7%
Yellow0.0%
Key (black)12.5%
Color previews
#669fdf text on a black background
contrast 7.59:1
Card sample
#669fdf text on a white background
contrast 2.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #669fdf;
Background color
Panel with #669fdf background
background-color: #669fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #669fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 159, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 159, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #669fdf; background: linear-gradient(135deg, #669fdf, #7E66DF);