#175a9b
a dark, vivid blue · cool · closest name: steelblue
RGB
23, 90, 155
HSL
210°, 74%, 35%
CMYK
85, 42, 0, 39
Luminance
0.0986
Every format
| HEX | #175a9b |
| RGB | rgb(23, 90, 155) |
| HSL | hsl(210, 74%, 35%) |
| CMYK | cmyk(85%, 42%, 0%, 39%) |
| LAB | lab(37.6 4.5 -41.1) |
| LCH | lch(37.6 41.4 276.2) |
| OKLCH | oklch(0.463 0.124 252.1) |
Copy-ready code
/* CSS */
color: #175a9b;
background-color: #175a9b;
/* Tailwind (arbitrary) */
class="text-[#175a9b] bg-[#175a9b]"
/* SCSS */
$brand: #175a9b;
/* SwiftUI */
Color(red: 0.090, green: 0.353, blue: 0.608)
/* Android */
Color.parseColor("#175a9b")Accessibility — WCAG contrast
Aa
#175a9b on white: 7.07:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#175a9b on black: 2.97:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green35.3%
Blue60.8%
CMYK percentages
Cyan85.2%
Magenta41.9%
Yellow0.0%
Key (black)39.2%
Color previews
#175a9b text on a black background
contrast 2.97:1
Card sample
#175a9b text on a white background
contrast 7.07:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #175a9b;
Background color
Panel with #175a9b background
background-color: #175a9b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #175a9b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 90, 155, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 90, 155, 0.45);
Border & gradient
Gradient panel
border: 3px solid #175a9b; background: linear-gradient(135deg, #175a9b, #2C179B);