#003055
a deep, electric blue · cool · closest name: darkslategray
RGB
0, 48, 85
HSL
206°, 100%, 17%
CMYK
100, 44, 0, 67
Luminance
0.0277
Every format
| HEX | #003055 |
| RGB | rgb(0, 48, 85) |
| HSL | hsl(206, 100%, 17%) |
| CMYK | cmyk(100%, 44%, 0%, 67%) |
| LAB | lab(19.1 1.2 -26.6) |
| LCH | lch(19.1 26.6 272.6) |
| OKLCH | oklch(0.302 0.082 248.3) |
Copy-ready code
/* CSS */
color: #003055;
background-color: #003055;
/* Tailwind (arbitrary) */
class="text-[#003055] bg-[#003055]"
/* SCSS */
$brand: #003055;
/* SwiftUI */
Color(red: 0.000, green: 0.188, blue: 0.333)
/* Android */
Color.parseColor("#003055")Accessibility — WCAG contrast
Aa
#003055 on white: 13.51:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#003055 on black: 1.55:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green18.8%
Blue33.3%
CMYK percentages
Cyan100.0%
Magenta43.5%
Yellow0.0%
Key (black)66.7%
Color previews
#003055 text on a black background
contrast 1.55:1
Card sample
#003055 text on a white background
contrast 13.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #003055;
Background color
Panel with #003055 background
background-color: #003055;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #003055;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 48, 85, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 48, 85, 0.45);
Border & gradient
Gradient panel
border: 3px solid #003055; background: linear-gradient(135deg, #003055, #090055);