#17539b
a dark, vivid blue · cool · closest name: steelblue
RGB
23, 83, 155
HSL
213°, 74%, 35%
CMYK
85, 47, 0, 39
Luminance
0.0874
Every format
| HEX | #17539b |
| RGB | rgb(23, 83, 155) |
| HSL | hsl(213, 74%, 35%) |
| CMYK | cmyk(85%, 47%, 0%, 39%) |
| LAB | lab(35.5 9.1 -44.5) |
| LCH | lch(35.5 45.4 281.5) |
| OKLCH | oklch(0.446 0.132 255.8) |
Copy-ready code
/* CSS */
color: #17539b;
background-color: #17539b;
/* Tailwind (arbitrary) */
class="text-[#17539b] bg-[#17539b]"
/* SCSS */
$brand: #17539b;
/* SwiftUI */
Color(red: 0.090, green: 0.325, blue: 0.608)
/* Android */
Color.parseColor("#17539b")Accessibility — WCAG contrast
Aa
#17539b on white: 7.64:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#17539b on black: 2.75:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green32.5%
Blue60.8%
CMYK percentages
Cyan85.2%
Magenta46.5%
Yellow0.0%
Key (black)39.2%
Color previews
#17539b text on a black background
contrast 2.75:1
Card sample
#17539b text on a white background
contrast 7.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #17539b;
Background color
Panel with #17539b background
background-color: #17539b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #17539b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 83, 155, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 83, 155, 0.45);
Border & gradient
Gradient panel
border: 3px solid #17539b; background: linear-gradient(135deg, #17539b, #33179B);