#40aefd
a balanced, electric blue · cool · closest name: steelblue
RGB
64, 174, 253
HSL
205°, 98%, 62%
CMYK
75, 31, 0, 1
Luminance
0.3845
Every format
| HEX | #40aefd |
| RGB | rgb(64, 174, 253) |
| HSL | hsl(205, 98%, 62%) |
| CMYK | cmyk(75%, 31%, 0%, 1%) |
| LAB | lab(68.3 -5.3 -48.0) |
| LCH | lch(68.3 48.3 263.7) |
| OKLCH | oklch(0.724 0.151 244.2) |
Copy-ready code
/* CSS */
color: #40aefd;
background-color: #40aefd;
/* Tailwind (arbitrary) */
class="text-[#40aefd] bg-[#40aefd]"
/* SCSS */
$brand: #40aefd;
/* SwiftUI */
Color(red: 0.251, green: 0.682, blue: 0.992)
/* Android */
Color.parseColor("#40aefd")Accessibility — WCAG contrast
Aa
#40aefd on white: 2.42:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40aefd on black: 8.69:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green68.2%
Blue99.2%
CMYK percentages
Cyan74.7%
Magenta31.2%
Yellow0.0%
Key (black)0.8%
Color previews
#40aefd text on a black background
contrast 8.69:1
Card sample
#40aefd text on a white background
contrast 2.42:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40aefd;
Background color
Panel with #40aefd background
background-color: #40aefd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40aefd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 174, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 174, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40aefd; background: linear-gradient(135deg, #40aefd, #5040FD);