#4247fd
a balanced, electric blue · warm · closest name: blue
RGB
66, 71, 253
HSL
238°, 98%, 63%
CMYK
74, 72, 0, 1
Luminance
0.1276
Every format
| HEX | #4247fd |
| RGB | rgb(66, 71, 253) |
| HSL | hsl(238, 98%, 63%) |
| CMYK | cmyk(74%, 72%, 0%, 1%) |
| LAB | lab(42.4 56.4 -89.9) |
| LCH | lch(42.4 106.1 302.1) |
| OKLCH | oklch(0.527 0.260 271.9) |
Copy-ready code
/* CSS */
color: #4247fd;
background-color: #4247fd;
/* Tailwind (arbitrary) */
class="text-[#4247fd] bg-[#4247fd]"
/* SCSS */
$brand: #4247fd;
/* SwiftUI */
Color(red: 0.259, green: 0.278, blue: 0.992)
/* Android */
Color.parseColor("#4247fd")Accessibility — WCAG contrast
Aa
#4247fd on white: 5.91:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#4247fd on black: 3.55:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green27.8%
Blue99.2%
CMYK percentages
Cyan73.9%
Magenta71.9%
Yellow0.0%
Key (black)0.8%
Color previews
#4247fd text on a black background
contrast 3.55:1
Card sample
#4247fd text on a white background
contrast 5.91:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4247fd;
Background color
Panel with #4247fd background
background-color: #4247fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4247fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 71, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 71, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4247fd; background: linear-gradient(135deg, #4247fd, #BA42FD);