#3355cc
a balanced, vivid blue · warm · closest name: royalblue
RGB
51, 85, 204
HSL
227°, 60%, 50%
CMYK
75, 58, 0, 20
Luminance
0.1156
Every format
| HEX | #3355cc |
| RGB | rgb(51, 85, 204) |
| HSL | hsl(227, 60%, 50%) |
| CMYK | cmyk(75%, 58%, 0%, 20%) |
| LAB | lab(40.5 29.7 -65.2) |
| LCH | lch(40.5 71.6 294.5) |
| OKLCH | oklch(0.498 0.189 267.0) |
Copy-ready code
/* CSS */
color: #3355cc;
background-color: #3355cc;
/* Tailwind (arbitrary) */
class="text-[#3355cc] bg-[#3355cc]"
/* SCSS */
$brand: #3355cc;
/* SwiftUI */
Color(red: 0.200, green: 0.333, blue: 0.800)
/* Android */
Color.parseColor("#3355cc")Accessibility — WCAG contrast
Aa
#3355cc on white: 6.34:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3355cc on black: 3.31:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green33.3%
Blue80.0%
CMYK percentages
Cyan75.0%
Magenta58.3%
Yellow0.0%
Key (black)20.0%
Color previews
#3355cc text on a black background
contrast 3.31:1
Card sample
#3355cc text on a white background
contrast 6.34:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3355cc;
Background color
Panel with #3355cc background
background-color: #3355cc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3355cc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 85, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 85, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3355cc; background: linear-gradient(135deg, #3355cc, #7733CC);