#423bdf
a balanced, vivid blue · warm · closest name: navy
RGB
66, 59, 223
HSL
243°, 72%, 55%
CMYK
70, 74, 0, 13
Luminance
0.0961
Every format
| HEX | #423bdf |
| RGB | rgb(66, 59, 223) |
| HSL | hsl(243, 72%, 55%) |
| CMYK | cmyk(70%, 74%, 0%, 13%) |
| LAB | lab(37.1 53.4 -81.6) |
| LCH | lch(37.1 97.5 303.2) |
| OKLCH | oklch(0.481 0.237 274.7) |
Copy-ready code
/* CSS */
color: #423bdf;
background-color: #423bdf;
/* Tailwind (arbitrary) */
class="text-[#423bdf] bg-[#423bdf]"
/* SCSS */
$brand: #423bdf;
/* SwiftUI */
Color(red: 0.259, green: 0.231, blue: 0.875)
/* Android */
Color.parseColor("#423bdf")Accessibility — WCAG contrast
Aa
#423bdf on white: 7.18:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#423bdf on black: 2.92:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green23.1%
Blue87.5%
CMYK percentages
Cyan70.4%
Magenta73.5%
Yellow0.0%
Key (black)12.5%
Color previews
#423bdf text on a black background
contrast 2.92:1
Card sample
#423bdf text on a white background
contrast 7.18:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #423bdf;
Background color
Panel with #423bdf background
background-color: #423bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #423bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 59, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 59, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #423bdf; background: linear-gradient(135deg, #423bdf, #AF3BDF);