#178cdf
a balanced, electric blue · cool · closest name: dodgerblue
RGB
23, 140, 223
HSL
205°, 81%, 48%
CMYK
90, 37, 0, 13
Luminance
0.2427
Every format
| HEX | #178cdf |
| RGB | rgb(23, 140, 223) |
| HSL | hsl(205, 81%, 48%) |
| CMYK | cmyk(90%, 37%, 0%, 13%) |
| LAB | lab(56.4 -0.1 -50.5) |
| LCH | lch(56.4 50.5 269.9) |
| OKLCH | oklch(0.622 0.157 247.0) |
Copy-ready code
/* CSS */
color: #178cdf;
background-color: #178cdf;
/* Tailwind (arbitrary) */
class="text-[#178cdf] bg-[#178cdf]"
/* SCSS */
$brand: #178cdf;
/* SwiftUI */
Color(red: 0.090, green: 0.549, blue: 0.875)
/* Android */
Color.parseColor("#178cdf")Accessibility — WCAG contrast
Aa
#178cdf on white: 3.59:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#178cdf on black: 5.85:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green54.9%
Blue87.5%
CMYK percentages
Cyan89.7%
Magenta37.2%
Yellow0.0%
Key (black)12.5%
Color previews
#178cdf text on a black background
contrast 5.85:1
Card sample
#178cdf text on a white background
contrast 3.59:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #178cdf;
Background color
Panel with #178cdf background
background-color: #178cdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #178cdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 140, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 140, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #178cdf; background: linear-gradient(135deg, #178cdf, #2717DF);