#178eb5
a dark, electric cyan · cool · closest name: steelblue
RGB
23, 142, 181
HSL
195°, 78%, 40%
CMYK
87, 22, 0, 29
Luminance
0.2286
Every format
| HEX | #178eb5 |
| RGB | rgb(23, 142, 181) |
| HSL | hsl(195, 78%, 40%) |
| CMYK | cmyk(87%, 22%, 0%, 29%) |
| LAB | lab(54.9 -16.7 -29.0) |
| LCH | lch(54.9 33.5 240.1) |
| OKLCH | oklch(0.604 0.112 227.0) |
Copy-ready code
/* CSS */
color: #178eb5;
background-color: #178eb5;
/* Tailwind (arbitrary) */
class="text-[#178eb5] bg-[#178eb5]"
/* SCSS */
$brand: #178eb5;
/* SwiftUI */
Color(red: 0.090, green: 0.557, blue: 0.710)
/* Android */
Color.parseColor("#178eb5")Accessibility — WCAG contrast
Aa
#178eb5 on white: 3.77:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#178eb5 on black: 5.57:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green55.7%
Blue71.0%
CMYK percentages
Cyan87.3%
Magenta21.5%
Yellow0.0%
Key (black)29.0%
Color previews
#178eb5 text on a black background
contrast 5.57:1
Card sample
#178eb5 text on a white background
contrast 3.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #178eb5;
Background color
Panel with #178eb5 background
background-color: #178eb5;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #178eb5;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 142, 181, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 142, 181, 0.45);
Border & gradient
Gradient panel
border: 3px solid #178eb5; background: linear-gradient(135deg, #178eb5, #1725B5);