#175b8c
a dark, vivid blue · cool · closest name: steelblue
RGB
23, 91, 140
HSL
205°, 72%, 32%
CMYK
84, 35, 0, 45
Luminance
0.0956
Every format
| HEX | #175b8c |
| RGB | rgb(23, 91, 140) |
| HSL | hsl(205, 72%, 32%) |
| CMYK | cmyk(84%, 35%, 0%, 45%) |
| LAB | lab(37.0 -2.2 -32.9) |
| LCH | lch(37.0 33.0 266.2) |
| OKLCH | oklch(0.456 0.103 245.3) |
Copy-ready code
/* CSS */
color: #175b8c;
background-color: #175b8c;
/* Tailwind (arbitrary) */
class="text-[#175b8c] bg-[#175b8c]"
/* SCSS */
$brand: #175b8c;
/* SwiftUI */
Color(red: 0.090, green: 0.357, blue: 0.549)
/* Android */
Color.parseColor("#175b8c")Accessibility — WCAG contrast
Aa
#175b8c on white: 7.21:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#175b8c on black: 2.91:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green35.7%
Blue54.9%
CMYK percentages
Cyan83.6%
Magenta35.0%
Yellow0.0%
Key (black)45.1%
Color previews
#175b8c text on a black background
contrast 2.91:1
Card sample
#175b8c text on a white background
contrast 7.21:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #175b8c;
Background color
Panel with #175b8c background
background-color: #175b8c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #175b8c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 91, 140, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 91, 140, 0.45);
Border & gradient
Gradient panel
border: 3px solid #175b8c; background: linear-gradient(135deg, #175b8c, #21178C);