#17538d
a dark, vivid blue · cool · closest name: steelblue
RGB
23, 83, 141
HSL
210°, 72%, 32%
CMYK
84, 41, 0, 45
Luminance
0.0829
Every format
| HEX | #17538d |
| RGB | rgb(23, 83, 141) |
| HSL | hsl(210, 72%, 32%) |
| CMYK | cmyk(84%, 41%, 0%, 45%) |
| LAB | lab(34.6 3.4 -37.4) |
| LCH | lch(34.6 37.6 275.2) |
| OKLCH | oklch(0.436 0.113 251.7) |
Copy-ready code
/* CSS */
color: #17538d;
background-color: #17538d;
/* Tailwind (arbitrary) */
class="text-[#17538d] bg-[#17538d]"
/* SCSS */
$brand: #17538d;
/* SwiftUI */
Color(red: 0.090, green: 0.325, blue: 0.553)
/* Android */
Color.parseColor("#17538d")Accessibility — WCAG contrast
Aa
#17538d on white: 7.90:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#17538d on black: 2.66:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green32.5%
Blue55.3%
CMYK percentages
Cyan83.7%
Magenta41.1%
Yellow0.0%
Key (black)44.7%
Color previews
#17538d text on a black background
contrast 2.66:1
Card sample
#17538d text on a white background
contrast 7.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #17538d;
Background color
Panel with #17538d background
background-color: #17538d;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #17538d;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 83, 141, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 83, 141, 0.45);
Border & gradient
Gradient panel
border: 3px solid #17538d; background: linear-gradient(135deg, #17538d, #2A178D);