#40eefd
a balanced, electric cyan · cool · closest name: cyan
RGB
64, 238, 253
HSL
185°, 98%, 62%
CMYK
75, 6, 0, 1
Luminance
0.6933
Every format
| HEX | #40eefd |
| RGB | rgb(64, 238, 253) |
| HSL | hsl(185, 98%, 62%) |
| CMYK | cmyk(75%, 6%, 0%, 1%) |
| LAB | lab(86.7 -37.8 -19.7) |
| LCH | lch(86.7 42.6 207.6) |
| OKLCH | oklch(0.871 0.136 203.8) |
Copy-ready code
/* CSS */
color: #40eefd;
background-color: #40eefd;
/* Tailwind (arbitrary) */
class="text-[#40eefd] bg-[#40eefd]"
/* SCSS */
$brand: #40eefd;
/* SwiftUI */
Color(red: 0.251, green: 0.933, blue: 0.992)
/* Android */
Color.parseColor("#40eefd")Accessibility — WCAG contrast
Aa
#40eefd on white: 1.41:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40eefd on black: 14.87:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green93.3%
Blue99.2%
CMYK percentages
Cyan74.7%
Magenta5.9%
Yellow0.0%
Key (black)0.8%
Color previews
#40eefd text on a black background
contrast 14.87:1
Card sample
#40eefd text on a white background
contrast 1.41:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40eefd;
Background color
Panel with #40eefd background
background-color: #40eefd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40eefd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 238, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 238, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40eefd; background: linear-gradient(135deg, #40eefd, #4070FD);