#3b5ddf
a balanced, vivid blue · warm · closest name: royalblue
RGB
59, 93, 223
HSL
228°, 72%, 55%
CMYK
74, 58, 0, 13
Luminance
0.1409
Every format
| HEX | #3b5ddf |
| RGB | rgb(59, 93, 223) |
| HSL | hsl(228, 72%, 55%) |
| CMYK | cmyk(74%, 58%, 0%, 13%) |
| LAB | lab(44.4 32.4 -69.8) |
| LCH | lch(44.4 76.9 294.9) |
| OKLCH | oklch(0.533 0.202 267.7) |
Copy-ready code
/* CSS */
color: #3b5ddf;
background-color: #3b5ddf;
/* Tailwind (arbitrary) */
class="text-[#3b5ddf] bg-[#3b5ddf]"
/* SCSS */
$brand: #3b5ddf;
/* SwiftUI */
Color(red: 0.231, green: 0.365, blue: 0.875)
/* Android */
Color.parseColor("#3b5ddf")Accessibility — WCAG contrast
Aa
#3b5ddf on white: 5.50:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3b5ddf on black: 3.82:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red23.1%
Green36.5%
Blue87.5%
CMYK percentages
Cyan73.5%
Magenta58.3%
Yellow0.0%
Key (black)12.5%
Color previews
#3b5ddf text on a black background
contrast 3.82:1
Card sample
#3b5ddf text on a white background
contrast 5.50:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3b5ddf;
Background color
Panel with #3b5ddf background
background-color: #3b5ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3b5ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(59, 93, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(59, 93, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3b5ddf; background: linear-gradient(135deg, #3b5ddf, #863BDF);