#00008b
a dark, electric blue · warm · closest name: navy
RGB
0, 0, 139
HSL
240°, 100%, 27%
CMYK
100, 100, 0, 46
Luminance
0.0186
Every format
| HEX | #00008b |
| RGB | rgb(0, 0, 139) |
| HSL | hsl(240, 100%, 27%) |
| CMYK | cmyk(100%, 100%, 0%, 46%) |
| LAB | lab(14.8 50.4 -68.7) |
| LCH | lch(14.8 85.2 306.3) |
| OKLCH | oklch(0.288 0.199 264.1) |
Copy-ready code
/* CSS */
color: #00008b;
background-color: #00008b;
/* Tailwind (arbitrary) */
class="text-[#00008b] bg-[#00008b]"
/* SCSS */
$brand: #00008b;
/* SwiftUI */
Color(red: 0.000, green: 0.000, blue: 0.545)
/* Android */
Color.parseColor("#00008b")Accessibility — WCAG contrast
Aa
#00008b on white: 15.30:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#00008b on black: 1.37:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green0.0%
Blue54.5%
CMYK percentages
Cyan100.0%
Magenta100.0%
Yellow0.0%
Key (black)45.5%
Color previews
#00008b text on a black background
contrast 1.37:1
Card sample
#00008b text on a white background
contrast 15.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #00008b;
Background color
Panel with #00008b background
background-color: #00008b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #00008b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 0, 139, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 0, 139, 0.45);
Border & gradient
Gradient panel
border: 3px solid #00008b; background: linear-gradient(135deg, #00008b, #5D008B);