#175d9f
a dark, vivid blue · cool · closest name: steelblue
RGB
23, 93, 159
HSL
209°, 75%, 36%
CMYK
86, 42, 0, 38
Luminance
0.1051
Every format
| HEX | #175d9f |
| RGB | rgb(23, 93, 159) |
| HSL | hsl(209, 75%, 36%) |
| CMYK | cmyk(86%, 42%, 0%, 38%) |
| LAB | lab(38.8 4.1 -41.6) |
| LCH | lch(38.8 41.9 275.6) |
| OKLCH | oklch(0.472 0.126 251.6) |
Copy-ready code
/* CSS */
color: #175d9f;
background-color: #175d9f;
/* Tailwind (arbitrary) */
class="text-[#175d9f] bg-[#175d9f]"
/* SCSS */
$brand: #175d9f;
/* SwiftUI */
Color(red: 0.090, green: 0.365, blue: 0.624)
/* Android */
Color.parseColor("#175d9f")Accessibility — WCAG contrast
Aa
#175d9f on white: 6.77:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#175d9f on black: 3.10:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green36.5%
Blue62.4%
CMYK percentages
Cyan85.5%
Magenta41.5%
Yellow0.0%
Key (black)37.6%
Color previews
#175d9f text on a black background
contrast 3.10:1
Card sample
#175d9f text on a white background
contrast 6.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #175d9f;
Background color
Panel with #175d9f background
background-color: #175d9f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #175d9f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 93, 159, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 93, 159, 0.45);
Border & gradient
Gradient panel
border: 3px solid #175d9f; background: linear-gradient(135deg, #175d9f, #2C179F);