#3369df
a balanced, vivid blue · cool · “royalblue”
RGB
51, 105, 223
HSL
221°, 73%, 54%
CMYK
77, 53, 0, 13
Luminance
0.1613
Every format
| HEX | #3369df |
| RGB | rgb(51, 105, 223) |
| HSL | hsl(221, 73%, 54%) |
| CMYK | cmyk(77%, 53%, 0%, 13%) |
| LAB | lab(47.1 23.9 -65.3) |
| LCH | lch(47.1 69.5 290.1) |
| OKLCH | oklch(0.553 0.190 263.1) |
Copy-ready code
/* CSS */
color: #3369df;
background-color: #3369df;
/* Tailwind (arbitrary) */
class="text-[#3369df] bg-[#3369df]"
/* SCSS */
$brand: #3369df;
/* SwiftUI */
Color(red: 0.200, green: 0.412, blue: 0.875)
/* Android */
Color.parseColor("#3369df")Accessibility — WCAG contrast
Aa
#3369df on white: 4.97:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3369df on black: 4.23:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green41.2%
Blue87.5%
CMYK percentages
Cyan77.1%
Magenta52.9%
Yellow0.0%
Key (black)12.5%
Color previews
#3369df text on a black background
contrast 4.23:1
Card sample
#3369df text on a white background
contrast 4.97:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3369df;
Background color
Panel with #3369df background
background-color: #3369df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3369df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 105, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 105, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3369df; background: linear-gradient(135deg, #3369df, #7033DF);