#3f7cf3
a balanced, electric blue · cool · closest name: royalblue
RGB
63, 124, 243
HSL
220°, 88%, 60%
CMYK
74, 49, 0, 5
Luminance
0.2194
Every format
| HEX | #3f7cf3 |
| RGB | rgb(63, 124, 243) |
| HSL | hsl(220, 88%, 60%) |
| CMYK | cmyk(74%, 49%, 0%, 5%) |
| LAB | lab(54.0 20.6 -65.4) |
| LCH | lch(54.0 68.6 287.5) |
| OKLCH | oklch(0.610 0.190 262.0) |
Copy-ready code
/* CSS */
color: #3f7cf3;
background-color: #3f7cf3;
/* Tailwind (arbitrary) */
class="text-[#3f7cf3] bg-[#3f7cf3]"
/* SCSS */
$brand: #3f7cf3;
/* SwiftUI */
Color(red: 0.247, green: 0.486, blue: 0.953)
/* Android */
Color.parseColor("#3f7cf3")Accessibility — WCAG contrast
Aa
#3f7cf3 on white: 3.90:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3f7cf3 on black: 5.39:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green48.6%
Blue95.3%
CMYK percentages
Cyan74.1%
Magenta49.0%
Yellow0.0%
Key (black)4.7%
Color previews
#3f7cf3 text on a black background
contrast 5.39:1
Card sample
#3f7cf3 text on a white background
contrast 3.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f7cf3;
Background color
Panel with #3f7cf3 background
background-color: #3f7cf3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f7cf3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 124, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 124, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f7cf3; background: linear-gradient(135deg, #3f7cf3, #7A3FF3);