#3f4daf
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 77, 175
HSL
233°, 47%, 47%
CMYK
64, 56, 0, 31
Luminance
0.0946
Every format
| HEX | #3f4daf |
| RGB | rgb(63, 77, 175) |
| HSL | hsl(233, 47%, 47%) |
| CMYK | cmyk(64%, 56%, 0%, 31%) |
| LAB | lab(36.9 26.0 -54.1) |
| LCH | lch(36.9 60.1 295.7) |
| OKLCH | oklch(0.466 0.156 272.7) |
Copy-ready code
/* CSS */
color: #3f4daf;
background-color: #3f4daf;
/* Tailwind (arbitrary) */
class="text-[#3f4daf] bg-[#3f4daf]"
/* SCSS */
$brand: #3f4daf;
/* SwiftUI */
Color(red: 0.247, green: 0.302, blue: 0.686)
/* Android */
Color.parseColor("#3f4daf")Accessibility — WCAG contrast
Aa
#3f4daf on white: 7.26:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f4daf on black: 2.89:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green30.2%
Blue68.6%
CMYK percentages
Cyan64.0%
Magenta56.0%
Yellow0.0%
Key (black)31.4%
Color previews
#3f4daf text on a black background
contrast 2.89:1
Card sample
#3f4daf text on a white background
contrast 7.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4daf;
Background color
Panel with #3f4daf background
background-color: #3f4daf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4daf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 77, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 77, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4daf; background: linear-gradient(135deg, #3f4daf, #7C3FAF);