#3399fd
a balanced, electric blue · cool · closest name: dodgerblue
RGB
51, 153, 253
HSL
210°, 98%, 60%
CMYK
80, 40, 0, 1
Luminance
0.3058
Every format
| HEX | #3399fd |
| RGB | rgb(51, 153, 253) |
| HSL | hsl(210, 98%, 60%) |
| CMYK | cmyk(80%, 40%, 0%, 1%) |
| LAB | lab(62.1 5.4 -57.8) |
| LCH | lch(62.1 58.1 275.3) |
| OKLCH | oklch(0.674 0.174 251.8) |
Copy-ready code
/* CSS */
color: #3399fd;
background-color: #3399fd;
/* Tailwind (arbitrary) */
class="text-[#3399fd] bg-[#3399fd]"
/* SCSS */
$brand: #3399fd;
/* SwiftUI */
Color(red: 0.200, green: 0.600, blue: 0.992)
/* Android */
Color.parseColor("#3399fd")Accessibility — WCAG contrast
Aa
#3399fd on white: 2.95:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3399fd on black: 7.12:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green60.0%
Blue99.2%
CMYK percentages
Cyan79.8%
Magenta39.5%
Yellow0.0%
Key (black)0.8%
Color previews
#3399fd text on a black background
contrast 7.12:1
Card sample
#3399fd text on a white background
contrast 2.95:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3399fd;
Background color
Panel with #3399fd background
background-color: #3399fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3399fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 153, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 153, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3399fd; background: linear-gradient(135deg, #3399fd, #5433FD);