#3f5baf
a balanced, vivid blue · warm · closest name: royalblue
RGB
63, 91, 175
HSL
225°, 47%, 47%
CMYK
64, 48, 0, 31
Luminance
0.1163
Every format
| HEX | #3f5baf |
| RGB | rgb(63, 91, 175) |
| HSL | hsl(225, 47%, 47%) |
| CMYK | cmyk(64%, 48%, 0%, 31%) |
| LAB | lab(40.6 17.0 -48.0) |
| LCH | lch(40.6 51.0 289.5) |
| OKLCH | oklch(0.494 0.138 267.4) |
Copy-ready code
/* CSS */
color: #3f5baf;
background-color: #3f5baf;
/* Tailwind (arbitrary) */
class="text-[#3f5baf] bg-[#3f5baf]"
/* SCSS */
$brand: #3f5baf;
/* SwiftUI */
Color(red: 0.247, green: 0.357, blue: 0.686)
/* Android */
Color.parseColor("#3f5baf")Accessibility — WCAG contrast
Aa
#3f5baf on white: 6.31:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f5baf on black: 3.33:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green35.7%
Blue68.6%
CMYK percentages
Cyan64.0%
Magenta48.0%
Yellow0.0%
Key (black)31.4%
Color previews
#3f5baf text on a black background
contrast 3.33:1
Card sample
#3f5baf text on a white background
contrast 6.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f5baf;
Background color
Panel with #3f5baf background
background-color: #3f5baf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f5baf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 91, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 91, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f5baf; background: linear-gradient(135deg, #3f5baf, #6E3FAF);