#1b309c
a dark, vivid blue · warm · closest name: midnightblue
RGB
27, 48, 156
HSL
230°, 71%, 36%
CMYK
83, 69, 0, 39
Luminance
0.0475
Every format
| HEX | #1b309c |
| RGB | rgb(27, 48, 156) |
| HSL | hsl(230, 71%, 36%) |
| CMYK | cmyk(83%, 69%, 0%, 39%) |
| LAB | lab(26.0 33.5 -60.5) |
| LCH | lch(26.0 69.2 299.0) |
| OKLCH | oklch(0.375 0.175 267.6) |
Copy-ready code
/* CSS */
color: #1b309c;
background-color: #1b309c;
/* Tailwind (arbitrary) */
class="text-[#1b309c] bg-[#1b309c]"
/* SCSS */
$brand: #1b309c;
/* SwiftUI */
Color(red: 0.106, green: 0.188, blue: 0.612)
/* Android */
Color.parseColor("#1b309c")Accessibility — WCAG contrast
Aa
#1b309c on white: 10.77:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1b309c on black: 1.95:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red10.6%
Green18.8%
Blue61.2%
CMYK percentages
Cyan82.7%
Magenta69.2%
Yellow0.0%
Key (black)38.8%
Color previews
#1b309c text on a black background
contrast 1.95:1
Card sample
#1b309c text on a white background
contrast 10.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1b309c;
Background color
Panel with #1b309c background
background-color: #1b309c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1b309c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(27, 48, 156, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(27, 48, 156, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1b309c; background: linear-gradient(135deg, #1b309c, #5C1B9C);