#4f57eb
a balanced, electric blue · warm · closest name: slateblue
RGB
79, 87, 235
HSL
237°, 80%, 62%
CMYK
66, 63, 0, 8
Luminance
0.1448
Every format
| HEX | #4f57eb |
| RGB | rgb(79, 87, 235) |
| HSL | hsl(237, 80%, 62%) |
| CMYK | cmyk(66%, 63%, 0%, 8%) |
| LAB | lab(44.9 42.7 -75.6) |
| LCH | lch(44.9 86.9 299.4) |
| OKLCH | oklch(0.542 0.219 274.1) |
Copy-ready code
/* CSS */
color: #4f57eb;
background-color: #4f57eb;
/* Tailwind (arbitrary) */
class="text-[#4f57eb] bg-[#4f57eb]"
/* SCSS */
$brand: #4f57eb;
/* SwiftUI */
Color(red: 0.310, green: 0.341, blue: 0.922)
/* Android */
Color.parseColor("#4f57eb")Accessibility — WCAG contrast
Aa
#4f57eb on white: 5.39:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#4f57eb on black: 3.90:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.0%
Green34.1%
Blue92.2%
CMYK percentages
Cyan66.4%
Magenta63.0%
Yellow0.0%
Key (black)7.8%
Color previews
#4f57eb text on a black background
contrast 3.90:1
Card sample
#4f57eb text on a white background
contrast 5.39:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4f57eb;
Background color
Panel with #4f57eb background
background-color: #4f57eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4f57eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(79, 87, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(79, 87, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4f57eb; background: linear-gradient(135deg, #4f57eb, #AF4FEB);