#10309c
a dark, electric blue · warm · closest name: midnightblue
RGB
16, 48, 156
HSL
226°, 81%, 34%
CMYK
90, 69, 0, 39
Luminance
0.0462
Every format
| HEX | #10309c |
| RGB | rgb(16, 48, 156) |
| HSL | hsl(226, 81%, 34%) |
| CMYK | cmyk(90%, 69%, 0%, 39%) |
| LAB | lab(25.6 32.8 -61.1) |
| LCH | lch(25.6 69.4 298.2) |
| OKLCH | oklch(0.372 0.178 265.0) |
Copy-ready code
/* CSS */
color: #10309c;
background-color: #10309c;
/* Tailwind (arbitrary) */
class="text-[#10309c] bg-[#10309c]"
/* SCSS */
$brand: #10309c;
/* SwiftUI */
Color(red: 0.063, green: 0.188, blue: 0.612)
/* Android */
Color.parseColor("#10309c")Accessibility — WCAG contrast
Aa
#10309c on white: 10.91:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#10309c on black: 1.92:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red6.3%
Green18.8%
Blue61.2%
CMYK percentages
Cyan89.7%
Magenta69.2%
Yellow0.0%
Key (black)38.8%
Color previews
#10309c text on a black background
contrast 1.92:1
Card sample
#10309c text on a white background
contrast 10.91:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #10309c;
Background color
Panel with #10309c background
background-color: #10309c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #10309c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(16, 48, 156, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(16, 48, 156, 0.45);
Border & gradient
Gradient panel
border: 3px solid #10309c; background: linear-gradient(135deg, #10309c, #4D109C);