#00518f
a dark, electric blue · cool · closest name: steelblue
RGB
0, 81, 143
HSL
206°, 100%, 28%
CMYK
100, 43, 0, 44
Luminance
0.0787
Every format
| HEX | #00518f |
| RGB | rgb(0, 81, 143) |
| HSL | hsl(206, 100%, 28%) |
| CMYK | cmyk(100%, 43%, 0%, 44%) |
| LAB | lab(33.7 4.0 -40.1) |
| LCH | lch(33.7 40.3 275.6) |
| OKLCH | oklch(0.429 0.122 250.3) |
Copy-ready code
/* CSS */
color: #00518f;
background-color: #00518f;
/* Tailwind (arbitrary) */
class="text-[#00518f] bg-[#00518f]"
/* SCSS */
$brand: #00518f;
/* SwiftUI */
Color(red: 0.000, green: 0.318, blue: 0.561)
/* Android */
Color.parseColor("#00518f")Accessibility — WCAG contrast
Aa
#00518f on white: 8.16:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#00518f on black: 2.57:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green31.8%
Blue56.1%
CMYK percentages
Cyan100.0%
Magenta43.4%
Yellow0.0%
Key (black)43.9%
Color previews
#00518f text on a black background
contrast 2.57:1
Card sample
#00518f text on a white background
contrast 8.16:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #00518f;
Background color
Panel with #00518f background
background-color: #00518f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #00518f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 81, 143, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 81, 143, 0.45);
Border & gradient
Gradient panel
border: 3px solid #00518f; background: linear-gradient(135deg, #00518f, #0E008F);