#423dbb
a balanced, vivid blue · warm · closest name: slateblue
RGB
66, 61, 187
HSL
242°, 51%, 49%
CMYK
65, 67, 0, 27
Luminance
0.0808
Every format
| HEX | #423dbb |
| RGB | rgb(66, 61, 187) |
| HSL | hsl(242, 51%, 49%) |
| CMYK | cmyk(65%, 67%, 0%, 27%) |
| LAB | lab(34.1 40.6 -65.6) |
| LCH | lch(34.1 77.2 301.8) |
| OKLCH | oklch(0.449 0.191 277.2) |
Copy-ready code
/* CSS */
color: #423dbb;
background-color: #423dbb;
/* Tailwind (arbitrary) */
class="text-[#423dbb] bg-[#423dbb]"
/* SCSS */
$brand: #423dbb;
/* SwiftUI */
Color(red: 0.259, green: 0.239, blue: 0.733)
/* Android */
Color.parseColor("#423dbb")Accessibility — WCAG contrast
Aa
#423dbb on white: 8.03:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#423dbb on black: 2.62:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green23.9%
Blue73.3%
CMYK percentages
Cyan64.7%
Magenta67.4%
Yellow0.0%
Key (black)26.7%
Color previews
#423dbb text on a black background
contrast 2.62:1
Card sample
#423dbb text on a white background
contrast 8.03:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #423dbb;
Background color
Panel with #423dbb background
background-color: #423dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #423dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 61, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 61, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #423dbb; background: linear-gradient(135deg, #423dbb, #963DBB);