#175d99
a dark, vivid blue · cool · closest name: steelblue
RGB
23, 93, 153
HSL
208°, 74%, 35%
CMYK
85, 39, 0, 40
Luminance
0.1031
Every format
| HEX | #175d99 |
| RGB | rgb(23, 93, 153) |
| HSL | hsl(208, 74%, 35%) |
| CMYK | cmyk(85%, 39%, 0%, 40%) |
| LAB | lab(38.4 1.7 -38.6) |
| LCH | lch(38.4 38.7 272.5) |
| OKLCH | oklch(0.469 0.118 249.5) |
Copy-ready code
/* CSS */
color: #175d99;
background-color: #175d99;
/* Tailwind (arbitrary) */
class="text-[#175d99] bg-[#175d99]"
/* SCSS */
$brand: #175d99;
/* SwiftUI */
Color(red: 0.090, green: 0.365, blue: 0.600)
/* Android */
Color.parseColor("#175d99")Accessibility — WCAG contrast
Aa
#175d99 on white: 6.86:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#175d99 on black: 3.06:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green36.5%
Blue60.0%
CMYK percentages
Cyan85.0%
Magenta39.2%
Yellow0.0%
Key (black)40.0%
Color previews
#175d99 text on a black background
contrast 3.06:1
Card sample
#175d99 text on a white background
contrast 6.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #175d99;
Background color
Panel with #175d99 background
background-color: #175d99;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #175d99;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 93, 153, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 93, 153, 0.45);
Border & gradient
Gradient panel
border: 3px solid #175d99; background: linear-gradient(135deg, #175d99, #281799);