#3f6fd5
a balanced, vivid blue · cool · closest name: royalblue
RGB
63, 111, 213
HSL
221°, 64%, 54%
CMYK
70, 48, 0, 17
Luminance
0.1723
Every format
| HEX | #3f6fd5 |
| RGB | rgb(63, 111, 213) |
| HSL | hsl(221, 64%, 54%) |
| CMYK | cmyk(70%, 48%, 0%, 17%) |
| LAB | lab(48.5 17.9 -57.3) |
| LCH | lch(48.5 60.0 287.3) |
| OKLCH | oklch(0.563 0.166 263.2) |
Copy-ready code
/* CSS */
color: #3f6fd5;
background-color: #3f6fd5;
/* Tailwind (arbitrary) */
class="text-[#3f6fd5] bg-[#3f6fd5]"
/* SCSS */
$brand: #3f6fd5;
/* SwiftUI */
Color(red: 0.247, green: 0.435, blue: 0.835)
/* Android */
Color.parseColor("#3f6fd5")Accessibility — WCAG contrast
Aa
#3f6fd5 on white: 4.72:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f6fd5 on black: 4.45:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green43.5%
Blue83.5%
CMYK percentages
Cyan70.4%
Magenta47.9%
Yellow0.0%
Key (black)16.5%
Color previews
#3f6fd5 text on a black background
contrast 4.45:1
Card sample
#3f6fd5 text on a white background
contrast 4.72:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f6fd5;
Background color
Panel with #3f6fd5 background
background-color: #3f6fd5;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f6fd5;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 111, 213, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 111, 213, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f6fd5; background: linear-gradient(135deg, #3f6fd5, #733FD5);