#39b3f4
a balanced, electric blue · cool · closest name: steelblue
RGB
57, 179, 244
HSL
201°, 90%, 59%
CMYK
77, 27, 0, 4
Luminance
0.3964
Every format
| HEX | #39b3f4 |
| RGB | rgb(57, 179, 244) |
| HSL | hsl(201, 90%, 59%) |
| CMYK | cmyk(77%, 27%, 0%, 4%) |
| LAB | lab(69.2 -11.9 -41.8) |
| LCH | lch(69.2 43.4 254.1) |
| OKLCH | oklch(0.729 0.141 237.1) |
Copy-ready code
/* CSS */
color: #39b3f4;
background-color: #39b3f4;
/* Tailwind (arbitrary) */
class="text-[#39b3f4] bg-[#39b3f4]"
/* SCSS */
$brand: #39b3f4;
/* SwiftUI */
Color(red: 0.224, green: 0.702, blue: 0.957)
/* Android */
Color.parseColor("#39b3f4")Accessibility — WCAG contrast
Aa
#39b3f4 on white: 2.35:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#39b3f4 on black: 8.93:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green70.2%
Blue95.7%
CMYK percentages
Cyan76.6%
Magenta26.6%
Yellow0.0%
Key (black)4.3%
Color previews
#39b3f4 text on a black background
contrast 8.93:1
Card sample
#39b3f4 text on a white background
contrast 2.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #39b3f4;
Background color
Panel with #39b3f4 background
background-color: #39b3f4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #39b3f4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 179, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 179, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39b3f4; background: linear-gradient(135deg, #39b3f4, #3C39F4);