#17538c
a dark, vivid blue · cool · closest name: steelblue
RGB
23, 83, 140
HSL
209°, 72%, 32%
CMYK
84, 41, 0, 45
Luminance
0.0826
Every format
| HEX | #17538c |
| RGB | rgb(23, 83, 140) |
| HSL | hsl(209, 72%, 32%) |
| CMYK | cmyk(84%, 41%, 0%, 45%) |
| LAB | lab(34.5 3.0 -36.9) |
| LCH | lch(34.5 37.0 274.6) |
| OKLCH | oklch(0.436 0.111 251.3) |
Copy-ready code
/* CSS */
color: #17538c;
background-color: #17538c;
/* Tailwind (arbitrary) */
class="text-[#17538c] bg-[#17538c]"
/* SCSS */
$brand: #17538c;
/* SwiftUI */
Color(red: 0.090, green: 0.325, blue: 0.549)
/* Android */
Color.parseColor("#17538c")Accessibility — WCAG contrast
Aa
#17538c on white: 7.92:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#17538c on black: 2.65:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green32.5%
Blue54.9%
CMYK percentages
Cyan83.6%
Magenta40.7%
Yellow0.0%
Key (black)45.1%
Color previews
#17538c text on a black background
contrast 2.65:1
Card sample
#17538c text on a white background
contrast 7.92:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #17538c;
Background color
Panel with #17538c background
background-color: #17538c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #17538c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 83, 140, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 83, 140, 0.45);
Border & gradient
Gradient panel
border: 3px solid #17538c; background: linear-gradient(135deg, #17538c, #29178C);