#423dfb
a balanced, electric blue · warm · closest name: blue
RGB
66, 61, 251
HSL
242°, 96%, 61%
CMYK
74, 76, 0, 2
Luminance
0.1146
Every format
| HEX | #423dfb |
| RGB | rgb(66, 61, 251) |
| HSL | hsl(242, 96%, 61%) |
| CMYK | cmyk(74%, 76%, 0%, 2%) |
| LAB | lab(40.3 61.0 -92.2) |
| LCH | lch(40.3 110.5 303.5) |
| OKLCH | oklch(0.512 0.267 272.8) |
Copy-ready code
/* CSS */
color: #423dfb;
background-color: #423dfb;
/* Tailwind (arbitrary) */
class="text-[#423dfb] bg-[#423dfb]"
/* SCSS */
$brand: #423dfb;
/* SwiftUI */
Color(red: 0.259, green: 0.239, blue: 0.984)
/* Android */
Color.parseColor("#423dfb")Accessibility — WCAG contrast
Aa
#423dfb on white: 6.38:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#423dfb on black: 3.29:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green23.9%
Blue98.4%
CMYK percentages
Cyan73.7%
Magenta75.7%
Yellow0.0%
Key (black)1.6%
Color previews
#423dfb text on a black background
contrast 3.29:1
Card sample
#423dfb text on a white background
contrast 6.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #423dfb;
Background color
Panel with #423dfb background
background-color: #423dfb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #423dfb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 61, 251, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 61, 251, 0.45);
Border & gradient
Gradient panel
border: 3px solid #423dfb; background: linear-gradient(135deg, #423dfb, #C13DFB);