#3f99ff
a balanced, electric blue · cool · closest name: dodgerblue
RGB
63, 153, 255
HSL
212°, 100%, 62%
CMYK
75, 40, 0, 0
Luminance
0.3106
Every format
| HEX | #3f99ff |
| RGB | rgb(63, 153, 255) |
| HSL | hsl(212, 100%, 62%) |
| CMYK | cmyk(75%, 40%, 0%, 0%) |
| LAB | lab(62.5 7.4 -58.3) |
| LCH | lch(62.5 58.7 277.2) |
| OKLCH | oklch(0.679 0.173 254.0) |
Copy-ready code
/* CSS */
color: #3f99ff;
background-color: #3f99ff;
/* Tailwind (arbitrary) */
class="text-[#3f99ff] bg-[#3f99ff]"
/* SCSS */
$brand: #3f99ff;
/* SwiftUI */
Color(red: 0.247, green: 0.600, blue: 1.000)
/* Android */
Color.parseColor("#3f99ff")Accessibility — WCAG contrast
Aa
#3f99ff on white: 2.91:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3f99ff on black: 7.21:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green60.0%
Blue100.0%
CMYK percentages
Cyan75.3%
Magenta40.0%
Yellow0.0%
Key (black)0.0%
Color previews
#3f99ff text on a black background
contrast 7.21:1
Card sample
#3f99ff text on a white background
contrast 2.91:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f99ff;
Background color
Panel with #3f99ff background
background-color: #3f99ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f99ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 153, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 153, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f99ff; background: linear-gradient(135deg, #3f99ff, #653FFF);