#39b1fd
a balanced, electric blue · cool · closest name: steelblue
RGB
57, 177, 253
HSL
203°, 98%, 61%
CMYK
78, 30, 0, 1
Luminance
0.3941
Every format
| HEX | #39b1fd |
| RGB | rgb(57, 177, 253) |
| HSL | hsl(203, 98%, 61%) |
| CMYK | cmyk(78%, 30%, 0%, 1%) |
| LAB | lab(69.0 -7.7 -46.9) |
| LCH | lch(69.0 47.5 260.7) |
| OKLCH | oklch(0.729 0.151 241.7) |
Copy-ready code
/* CSS */
color: #39b1fd;
background-color: #39b1fd;
/* Tailwind (arbitrary) */
class="text-[#39b1fd] bg-[#39b1fd]"
/* SCSS */
$brand: #39b1fd;
/* SwiftUI */
Color(red: 0.224, green: 0.694, blue: 0.992)
/* Android */
Color.parseColor("#39b1fd")Accessibility — WCAG contrast
Aa
#39b1fd on white: 2.36:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#39b1fd on black: 8.88:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green69.4%
Blue99.2%
CMYK percentages
Cyan77.5%
Magenta30.0%
Yellow0.0%
Key (black)0.8%
Color previews
#39b1fd text on a black background
contrast 8.88:1
Card sample
#39b1fd text on a white background
contrast 2.36:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #39b1fd;
Background color
Panel with #39b1fd background
background-color: #39b1fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #39b1fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 177, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 177, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39b1fd; background: linear-gradient(135deg, #39b1fd, #4439FD);