#3b5bdf
a balanced, vivid blue · warm · closest name: royalblue
RGB
59, 91, 223
HSL
228°, 72%, 55%
CMYK
74, 59, 0, 13
Luminance
0.1374
Every format
| HEX | #3b5bdf |
| RGB | rgb(59, 91, 223) |
| HSL | hsl(228, 72%, 55%) |
| CMYK | cmyk(74%, 59%, 0%, 13%) |
| LAB | lab(43.9 33.6 -70.6) |
| LCH | lch(43.9 78.2 295.5) |
| OKLCH | oklch(0.529 0.204 268.1) |
Copy-ready code
/* CSS */
color: #3b5bdf;
background-color: #3b5bdf;
/* Tailwind (arbitrary) */
class="text-[#3b5bdf] bg-[#3b5bdf]"
/* SCSS */
$brand: #3b5bdf;
/* SwiftUI */
Color(red: 0.231, green: 0.357, blue: 0.875)
/* Android */
Color.parseColor("#3b5bdf")Accessibility — WCAG contrast
Aa
#3b5bdf on white: 5.60:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3b5bdf on black: 3.75:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red23.1%
Green35.7%
Blue87.5%
CMYK percentages
Cyan73.5%
Magenta59.2%
Yellow0.0%
Key (black)12.5%
Color previews
#3b5bdf text on a black background
contrast 3.75:1
Card sample
#3b5bdf text on a white background
contrast 5.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3b5bdf;
Background color
Panel with #3b5bdf background
background-color: #3b5bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3b5bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(59, 91, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(59, 91, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3b5bdf; background: linear-gradient(135deg, #3b5bdf, #883BDF);