#3f5dbb
a balanced, vivid blue · warm · closest name: royalblue
RGB
63, 93, 187
HSL
226°, 50%, 49%
CMYK
66, 50, 0, 27
Luminance
0.1247
Every format
| HEX | #3f5dbb |
| RGB | rgb(63, 93, 187) |
| HSL | hsl(226, 50%, 49%) |
| CMYK | cmyk(66%, 50%, 0%, 27%) |
| LAB | lab(42.0 20.0 -53.0) |
| LCH | lch(42.0 56.6 290.7) |
| OKLCH | oklch(0.507 0.152 267.4) |
Copy-ready code
/* CSS */
color: #3f5dbb;
background-color: #3f5dbb;
/* Tailwind (arbitrary) */
class="text-[#3f5dbb] bg-[#3f5dbb]"
/* SCSS */
$brand: #3f5dbb;
/* SwiftUI */
Color(red: 0.247, green: 0.365, blue: 0.733)
/* Android */
Color.parseColor("#3f5dbb")Accessibility — WCAG contrast
Aa
#3f5dbb on white: 6.01:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f5dbb on black: 3.49:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green36.5%
Blue73.3%
CMYK percentages
Cyan66.3%
Magenta50.3%
Yellow0.0%
Key (black)26.7%
Color previews
#3f5dbb text on a black background
contrast 3.49:1
Card sample
#3f5dbb text on a white background
contrast 6.01:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f5dbb;
Background color
Panel with #3f5dbb background
background-color: #3f5dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f5dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 93, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 93, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f5dbb; background: linear-gradient(135deg, #3f5dbb, #743FBB);