#00186b
a deep, electric blue · warm · closest name: midnightblue
RGB
0, 24, 107
HSL
227°, 100%, 21%
CMYK
100, 78, 0, 58
Luminance
0.0171
Every format
| HEX | #00186b |
| RGB | rgb(0, 24, 107) |
| HSL | hsl(227, 100%, 21%) |
| CMYK | cmyk(100%, 78%, 0%, 58%) |
| LAB | lab(13.9 28.7 -49.6) |
| LCH | lch(13.9 57.3 300.1) |
| OKLCH | oklch(0.269 0.145 263.6) |
Copy-ready code
/* CSS */
color: #00186b;
background-color: #00186b;
/* Tailwind (arbitrary) */
class="text-[#00186b] bg-[#00186b]"
/* SCSS */
$brand: #00186b;
/* SwiftUI */
Color(red: 0.000, green: 0.094, blue: 0.420)
/* Android */
Color.parseColor("#00186b")Accessibility — WCAG contrast
Aa
#00186b on white: 15.64:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#00186b on black: 1.34:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green9.4%
Blue42.0%
CMYK percentages
Cyan100.0%
Magenta77.6%
Yellow0.0%
Key (black)58.0%
Color previews
#00186b text on a black background
contrast 1.34:1
Card sample
#00186b text on a white background
contrast 15.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #00186b;
Background color
Panel with #00186b background
background-color: #00186b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #00186b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 24, 107, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 24, 107, 0.45);
Border & gradient
Gradient panel
border: 3px solid #00186b; background: linear-gradient(135deg, #00186b, #2F006B);