#42309c
a dark, vivid blue · warm · closest name: midnightblue
RGB
66, 48, 156
HSL
250°, 53%, 40%
CMYK
58, 69, 0, 39
Luminance
0.0567
Every format
| HEX | #42309c |
| RGB | rgb(66, 48, 156) |
| HSL | hsl(250, 53%, 40%) |
| CMYK | cmyk(58%, 69%, 0%, 39%) |
| LAB | lab(28.6 38.3 -56.2) |
| LCH | lch(28.6 68.0 304.3) |
| OKLCH | oklch(0.401 0.166 283.6) |
Copy-ready code
/* CSS */
color: #42309c;
background-color: #42309c;
/* Tailwind (arbitrary) */
class="text-[#42309c] bg-[#42309c]"
/* SCSS */
$brand: #42309c;
/* SwiftUI */
Color(red: 0.259, green: 0.188, blue: 0.612)
/* Android */
Color.parseColor("#42309c")Accessibility — WCAG contrast
Aa
#42309c on white: 9.84:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#42309c on black: 2.13:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green18.8%
Blue61.2%
CMYK percentages
Cyan57.7%
Magenta69.2%
Yellow0.0%
Key (black)38.8%
Color previews
#42309c text on a black background
contrast 2.13:1
Card sample
#42309c text on a white background
contrast 9.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42309c;
Background color
Panel with #42309c background
background-color: #42309c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42309c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 48, 156, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 48, 156, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42309c; background: linear-gradient(135deg, #42309c, #8A309C);