#17537f
a dark, vivid blue · cool · closest name: steelblue
RGB
23, 83, 127
HSL
205°, 69%, 29%
CMYK
82, 35, 0, 50
Luminance
0.0790
Every format
| HEX | #17537f |
| RGB | rgb(23, 83, 127) |
| HSL | hsl(205, 69%, 29%) |
| CMYK | cmyk(82%, 35%, 0%, 50%) |
| LAB | lab(33.8 -2.2 -30.1) |
| LCH | lch(33.8 30.2 265.7) |
| OKLCH | oklch(0.427 0.094 245.3) |
Copy-ready code
/* CSS */
color: #17537f;
background-color: #17537f;
/* Tailwind (arbitrary) */
class="text-[#17537f] bg-[#17537f]"
/* SCSS */
$brand: #17537f;
/* SwiftUI */
Color(red: 0.090, green: 0.325, blue: 0.498)
/* Android */
Color.parseColor("#17537f")Accessibility — WCAG contrast
Aa
#17537f on white: 8.14:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#17537f on black: 2.58:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green32.5%
Blue49.8%
CMYK percentages
Cyan81.9%
Magenta34.6%
Yellow0.0%
Key (black)50.2%
Color previews
#17537f text on a black background
contrast 2.58:1
Card sample
#17537f text on a white background
contrast 8.14:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #17537f;
Background color
Panel with #17537f background
background-color: #17537f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #17537f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 83, 127, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 83, 127, 0.45);
Border & gradient
Gradient panel
border: 3px solid #17537f; background: linear-gradient(135deg, #17537f, #20177F);