#40ace7
a balanced, electric blue · cool · closest name: steelblue
RGB
64, 172, 231
HSL
201°, 78%, 58%
CMYK
72, 26, 0, 9
Luminance
0.3636
Every format
| HEX | #40ace7 |
| RGB | rgb(64, 172, 231) |
| HSL | hsl(201, 78%, 58%) |
| CMYK | cmyk(72%, 26%, 0%, 9%) |
| LAB | lab(66.8 -11.7 -38.4) |
| LCH | lch(66.8 40.2 253.1) |
| OKLCH | oklch(0.708 0.129 236.9) |
Copy-ready code
/* CSS */
color: #40ace7;
background-color: #40ace7;
/* Tailwind (arbitrary) */
class="text-[#40ace7] bg-[#40ace7]"
/* SCSS */
$brand: #40ace7;
/* SwiftUI */
Color(red: 0.251, green: 0.675, blue: 0.906)
/* Android */
Color.parseColor("#40ace7")Accessibility — WCAG contrast
Aa
#40ace7 on white: 2.54:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40ace7 on black: 8.27:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green67.5%
Blue90.6%
CMYK percentages
Cyan72.3%
Magenta25.5%
Yellow0.0%
Key (black)9.4%
Color previews
#40ace7 text on a black background
contrast 8.27:1
Card sample
#40ace7 text on a white background
contrast 2.54:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40ace7;
Background color
Panel with #40ace7 background
background-color: #40ace7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40ace7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 172, 231, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 172, 231, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40ace7; background: linear-gradient(135deg, #40ace7, #4340E7);