#2f57eb
a balanced, electric blue · warm · closest name: royalblue
RGB
47, 87, 235
HSL
227°, 83%, 55%
CMYK
80, 63, 0, 8
Luminance
0.1342
Every format
| HEX | #2f57eb |
| RGB | rgb(47, 87, 235) |
| HSL | hsl(227, 83%, 55%) |
| CMYK | cmyk(80%, 63%, 0%, 8%) |
| LAB | lab(43.4 39.3 -78.2) |
| LCH | lch(43.4 87.5 296.7) |
| OKLCH | oklch(0.527 0.227 266.4) |
Copy-ready code
/* CSS */
color: #2f57eb;
background-color: #2f57eb;
/* Tailwind (arbitrary) */
class="text-[#2f57eb] bg-[#2f57eb]"
/* SCSS */
$brand: #2f57eb;
/* SwiftUI */
Color(red: 0.184, green: 0.341, blue: 0.922)
/* Android */
Color.parseColor("#2f57eb")Accessibility — WCAG contrast
Aa
#2f57eb on white: 5.70:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#2f57eb on black: 3.68:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.4%
Green34.1%
Blue92.2%
CMYK percentages
Cyan80.0%
Magenta63.0%
Yellow0.0%
Key (black)7.8%
Color previews
#2f57eb text on a black background
contrast 3.68:1
Card sample
#2f57eb text on a white background
contrast 5.70:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2f57eb;
Background color
Panel with #2f57eb background
background-color: #2f57eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2f57eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(47, 87, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(47, 87, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2f57eb; background: linear-gradient(135deg, #2f57eb, #842FEB);