#178baf
a dark, electric cyan · cool · closest name: steelblue
RGB
23, 139, 175
HSL
194°, 77%, 39%
CMYK
87, 21, 0, 31
Luminance
0.2174
Every format
| HEX | #178baf |
| RGB | rgb(23, 139, 175) |
| HSL | hsl(194, 77%, 39%) |
| CMYK | cmyk(87%, 21%, 0%, 31%) |
| LAB | lab(53.8 -17.2 -27.4) |
| LCH | lch(53.8 32.4 237.9) |
| OKLCH | oklch(0.594 0.108 225.5) |
Copy-ready code
/* CSS */
color: #178baf;
background-color: #178baf;
/* Tailwind (arbitrary) */
class="text-[#178baf] bg-[#178baf]"
/* SCSS */
$brand: #178baf;
/* SwiftUI */
Color(red: 0.090, green: 0.545, blue: 0.686)
/* Android */
Color.parseColor("#178baf")Accessibility — WCAG contrast
Aa
#178baf on white: 3.93:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#178baf on black: 5.35:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green54.5%
Blue68.6%
CMYK percentages
Cyan86.9%
Magenta20.6%
Yellow0.0%
Key (black)31.4%
Color previews
#178baf text on a black background
contrast 5.35:1
Card sample
#178baf text on a white background
contrast 3.93:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #178baf;
Background color
Panel with #178baf background
background-color: #178baf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #178baf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 139, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 139, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #178baf; background: linear-gradient(135deg, #178baf, #1726AF);