#17599b
a dark, vivid blue · cool · closest name: steelblue
RGB
23, 89, 155
HSL
210°, 74%, 35%
CMYK
85, 43, 0, 39
Luminance
0.0969
Every format
| HEX | #17599b |
| RGB | rgb(23, 89, 155) |
| HSL | hsl(210, 74%, 35%) |
| CMYK | cmyk(85%, 43%, 0%, 39%) |
| LAB | lab(37.3 5.1 -41.6) |
| LCH | lch(37.3 41.9 277.0) |
| OKLCH | oklch(0.460 0.125 252.6) |
Copy-ready code
/* CSS */
color: #17599b;
background-color: #17599b;
/* Tailwind (arbitrary) */
class="text-[#17599b] bg-[#17599b]"
/* SCSS */
$brand: #17599b;
/* SwiftUI */
Color(red: 0.090, green: 0.349, blue: 0.608)
/* Android */
Color.parseColor("#17599b")Accessibility — WCAG contrast
Aa
#17599b on white: 7.15:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#17599b on black: 2.94:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green34.9%
Blue60.8%
CMYK percentages
Cyan85.2%
Magenta42.6%
Yellow0.0%
Key (black)39.2%
Color previews
#17599b text on a black background
contrast 2.94:1
Card sample
#17599b text on a white background
contrast 7.15:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #17599b;
Background color
Panel with #17599b background
background-color: #17599b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #17599b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 89, 155, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 89, 155, 0.45);
Border & gradient
Gradient panel
border: 3px solid #17599b; background: linear-gradient(135deg, #17599b, #2D179B);