#6666ff
a light, electric blue · warm · closest name: royalblue
RGB
102, 102, 255
HSL
240°, 100%, 70%
CMYK
60, 60, 0, 0
Luminance
0.1955
Every format
| HEX | #6666ff |
| RGB | rgb(102, 102, 255) |
| HSL | hsl(240, 100%, 70%) |
| CMYK | cmyk(60%, 60%, 0%, 0%) |
| LAB | lab(51.3 43.6 -76.3) |
| LCH | lch(51.3 87.9 299.8) |
| OKLCH | oklch(0.598 0.221 277.4) |
Copy-ready code
/* CSS */
color: #6666ff;
background-color: #6666ff;
/* Tailwind (arbitrary) */
class="text-[#6666ff] bg-[#6666ff]"
/* SCSS */
$brand: #6666ff;
/* SwiftUI */
Color(red: 0.400, green: 0.400, blue: 1.000)
/* Android */
Color.parseColor("#6666ff")Accessibility — WCAG contrast
Aa
#6666ff on white: 4.28:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#6666ff on black: 4.91:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green40.0%
Blue100.0%
CMYK percentages
Cyan60.0%
Magenta60.0%
Yellow0.0%
Key (black)0.0%
Color previews
#6666ff text on a black background
contrast 4.91:1
Card sample
#6666ff text on a white background
contrast 4.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #6666ff;
Background color
Panel with #6666ff background
background-color: #6666ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #6666ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 102, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 102, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #6666ff; background: linear-gradient(135deg, #6666ff, #CC66FF);