#178bdf
a balanced, electric blue · cool · closest name: dodgerblue
RGB
23, 139, 223
HSL
205°, 81%, 48%
CMYK
90, 38, 0, 13
Luminance
0.2398
Every format
| HEX | #178bdf |
| RGB | rgb(23, 139, 223) |
| HSL | hsl(205, 81%, 48%) |
| CMYK | cmyk(90%, 38%, 0%, 13%) |
| LAB | lab(56.1 0.5 -51.0) |
| LCH | lch(56.1 51.0 270.6) |
| OKLCH | oklch(0.620 0.158 247.5) |
Copy-ready code
/* CSS */
color: #178bdf;
background-color: #178bdf;
/* Tailwind (arbitrary) */
class="text-[#178bdf] bg-[#178bdf]"
/* SCSS */
$brand: #178bdf;
/* SwiftUI */
Color(red: 0.090, green: 0.545, blue: 0.875)
/* Android */
Color.parseColor("#178bdf")Accessibility — WCAG contrast
Aa
#178bdf on white: 3.62:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#178bdf on black: 5.80:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green54.5%
Blue87.5%
CMYK percentages
Cyan89.7%
Magenta37.7%
Yellow0.0%
Key (black)12.5%
Color previews
#178bdf text on a black background
contrast 5.80:1
Card sample
#178bdf text on a white background
contrast 3.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #178bdf;
Background color
Panel with #178bdf background
background-color: #178bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #178bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 139, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 139, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #178bdf; background: linear-gradient(135deg, #178bdf, #2817DF);