#17397b
a dark, vivid blue · cool · closest name: midnightblue
RGB
23, 57, 123
HSL
220°, 69%, 29%
CMYK
81, 54, 0, 52
Luminance
0.0454
Every format
| HEX | #17397b |
| RGB | rgb(23, 57, 123) |
| HSL | hsl(220, 69%, 29%) |
| CMYK | cmyk(81%, 54%, 0%, 52%) |
| LAB | lab(25.4 13.8 -41.1) |
| LCH | lch(25.4 43.3 288.5) |
| OKLCH | oklch(0.361 0.119 261.9) |
Copy-ready code
/* CSS */
color: #17397b;
background-color: #17397b;
/* Tailwind (arbitrary) */
class="text-[#17397b] bg-[#17397b]"
/* SCSS */
$brand: #17397b;
/* SwiftUI */
Color(red: 0.090, green: 0.224, blue: 0.482)
/* Android */
Color.parseColor("#17397b")Accessibility — WCAG contrast
Aa
#17397b on white: 11.01:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#17397b on black: 1.91:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green22.4%
Blue48.2%
CMYK percentages
Cyan81.3%
Magenta53.7%
Yellow0.0%
Key (black)51.8%
Color previews
#17397b text on a black background
contrast 1.91:1
Card sample
#17397b text on a white background
contrast 11.01:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #17397b;
Background color
Panel with #17397b background
background-color: #17397b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #17397b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 57, 123, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 57, 123, 0.45);
Border & gradient
Gradient panel
border: 3px solid #17397b; background: linear-gradient(135deg, #17397b, #38177B);