#28309c
a dark, vivid blue · warm · closest name: midnightblue
RGB
40, 48, 156
HSL
236°, 59%, 38%
CMYK
74, 69, 0, 39
Luminance
0.0497
Every format
| HEX | #28309c |
| RGB | rgb(40, 48, 156) |
| HSL | hsl(236, 59%, 38%) |
| CMYK | cmyk(74%, 69%, 0%, 39%) |
| LAB | lab(26.6 34.7 -59.5) |
| LCH | lch(26.6 68.8 300.3) |
| OKLCH | oklch(0.382 0.172 271.8) |
Copy-ready code
/* CSS */
color: #28309c;
background-color: #28309c;
/* Tailwind (arbitrary) */
class="text-[#28309c] bg-[#28309c]"
/* SCSS */
$brand: #28309c;
/* SwiftUI */
Color(red: 0.157, green: 0.188, blue: 0.612)
/* Android */
Color.parseColor("#28309c")Accessibility — WCAG contrast
Aa
#28309c on white: 10.54:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#28309c on black: 1.99:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green18.8%
Blue61.2%
CMYK percentages
Cyan74.4%
Magenta69.2%
Yellow0.0%
Key (black)38.8%
Color previews
#28309c text on a black background
contrast 1.99:1
Card sample
#28309c text on a white background
contrast 10.54:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28309c;
Background color
Panel with #28309c background
background-color: #28309c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28309c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 48, 156, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 48, 156, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28309c; background: linear-gradient(135deg, #28309c, #6D289C);