#6688cc
a balanced, vivid blue · cool · closest name: steelblue
RGB
102, 136, 204
HSL
220°, 50%, 60%
CMYK
50, 33, 0, 20
Luminance
0.2479
Every format
| HEX | #6688cc |
| RGB | rgb(102, 136, 204) |
| HSL | hsl(220, 50%, 60%) |
| CMYK | cmyk(50%, 33%, 0%, 20%) |
| LAB | lab(56.9 7.0 -38.9) |
| LCH | lch(56.9 39.5 280.2) |
| OKLCH | oklch(0.630 0.110 263.3) |
Copy-ready code
/* CSS */
color: #6688cc;
background-color: #6688cc;
/* Tailwind (arbitrary) */
class="text-[#6688cc] bg-[#6688cc]"
/* SCSS */
$brand: #6688cc;
/* SwiftUI */
Color(red: 0.400, green: 0.533, blue: 0.800)
/* Android */
Color.parseColor("#6688cc")Accessibility — WCAG contrast
Aa
#6688cc on white: 3.52:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#6688cc on black: 5.96:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green53.3%
Blue80.0%
CMYK percentages
Cyan50.0%
Magenta33.3%
Yellow0.0%
Key (black)20.0%
Color previews
#6688cc text on a black background
contrast 5.96:1
Card sample
#6688cc text on a white background
contrast 3.52:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #6688cc;
Background color
Panel with #6688cc background
background-color: #6688cc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #6688cc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 136, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 136, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #6688cc; background: linear-gradient(135deg, #6688cc, #8866CC);