#173e55
a deep, vivid blue · cool · closest name: darkslategray
RGB
23, 62, 85
HSL
202°, 57%, 21%
CMYK
73, 27, 0, 67
Luminance
0.0428
Every format
| HEX | #173e55 |
| RGB | rgb(23, 62, 85) |
| HSL | hsl(202, 57%, 21%) |
| CMYK | cmyk(73%, 27%, 0%, 67%) |
| LAB | lab(24.6 -5.3 -17.9) |
| LCH | lch(24.6 18.6 253.6) |
| OKLCH | oklch(0.347 0.059 237.8) |
Copy-ready code
/* CSS */
color: #173e55;
background-color: #173e55;
/* Tailwind (arbitrary) */
class="text-[#173e55] bg-[#173e55]"
/* SCSS */
$brand: #173e55;
/* SwiftUI */
Color(red: 0.090, green: 0.243, blue: 0.333)
/* Android */
Color.parseColor("#173e55")Accessibility — WCAG contrast
Aa
#173e55 on white: 11.31:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#173e55 on black: 1.86:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green24.3%
Blue33.3%
CMYK percentages
Cyan72.9%
Magenta27.1%
Yellow0.0%
Key (black)66.7%
Color previews
#173e55 text on a black background
contrast 1.86:1
Card sample
#173e55 text on a white background
contrast 11.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #173e55;
Background color
Panel with #173e55 background
background-color: #173e55;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #173e55;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 62, 85, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 62, 85, 0.45);
Border & gradient
Gradient panel
border: 3px solid #173e55; background: linear-gradient(135deg, #173e55, #191755);