#175b99
a dark, vivid blue · cool · closest name: steelblue
RGB
23, 91, 153
HSL
209°, 74%, 35%
CMYK
85, 41, 0, 40
Luminance
0.0996
Every format
| HEX | #175b99 |
| RGB | rgb(23, 91, 153) |
| HSL | hsl(209, 74%, 35%) |
| CMYK | cmyk(85%, 41%, 0%, 40%) |
| LAB | lab(37.8 3.0 -39.6) |
| LCH | lch(37.8 39.7 274.3) |
| OKLCH | oklch(0.464 0.120 250.8) |
Copy-ready code
/* CSS */
color: #175b99;
background-color: #175b99;
/* Tailwind (arbitrary) */
class="text-[#175b99] bg-[#175b99]"
/* SCSS */
$brand: #175b99;
/* SwiftUI */
Color(red: 0.090, green: 0.357, blue: 0.600)
/* Android */
Color.parseColor("#175b99")Accessibility — WCAG contrast
Aa
#175b99 on white: 7.02:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#175b99 on black: 2.99:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green35.7%
Blue60.0%
CMYK percentages
Cyan85.0%
Magenta40.5%
Yellow0.0%
Key (black)40.0%
Color previews
#175b99 text on a black background
contrast 2.99:1
Card sample
#175b99 text on a white background
contrast 7.02:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #175b99;
Background color
Panel with #175b99 background
background-color: #175b99;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #175b99;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 91, 153, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 91, 153, 0.45);
Border & gradient
Gradient panel
border: 3px solid #175b99; background: linear-gradient(135deg, #175b99, #2A1799);