#175b9b
a dark, vivid blue · cool · closest name: steelblue
RGB
23, 91, 155
HSL
209°, 74%, 35%
CMYK
85, 41, 0, 39
Luminance
0.1003
Every format
| HEX | #175b9b |
| RGB | rgb(23, 91, 155) |
| HSL | hsl(209, 74%, 35%) |
| CMYK | cmyk(85%, 41%, 0%, 39%) |
| LAB | lab(37.9 3.8 -40.6) |
| LCH | lch(37.9 40.8 275.3) |
| OKLCH | oklch(0.465 0.123 251.5) |
Copy-ready code
/* CSS */
color: #175b9b;
background-color: #175b9b;
/* Tailwind (arbitrary) */
class="text-[#175b9b] bg-[#175b9b]"
/* SCSS */
$brand: #175b9b;
/* SwiftUI */
Color(red: 0.090, green: 0.357, blue: 0.608)
/* Android */
Color.parseColor("#175b9b")Accessibility — WCAG contrast
Aa
#175b9b on white: 6.99:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#175b9b on black: 3.01:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green35.7%
Blue60.8%
CMYK percentages
Cyan85.2%
Magenta41.3%
Yellow0.0%
Key (black)39.2%
Color previews
#175b9b text on a black background
contrast 3.01:1
Card sample
#175b9b text on a white background
contrast 6.99:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #175b9b;
Background color
Panel with #175b9b background
background-color: #175b9b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #175b9b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 91, 155, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 91, 155, 0.45);
Border & gradient
Gradient panel
border: 3px solid #175b9b; background: linear-gradient(135deg, #175b9b, #2B179B);