#31bdf4
a balanced, electric cyan · cool · closest name: skyblue
RGB
49, 189, 244
HSL
197°, 90%, 58%
CMYK
80, 23, 0, 4
Luminance
0.4358
Every format
| HEX | #31bdf4 |
| RGB | rgb(49, 189, 244) |
| HSL | hsl(197, 90%, 58%) |
| CMYK | cmyk(80%, 23%, 0%, 4%) |
| LAB | lab(71.9 -18.0 -37.5) |
| LCH | lch(71.9 41.6 244.3) |
| OKLCH | oklch(0.750 0.138 230.1) |
Copy-ready code
/* CSS */
color: #31bdf4;
background-color: #31bdf4;
/* Tailwind (arbitrary) */
class="text-[#31bdf4] bg-[#31bdf4]"
/* SCSS */
$brand: #31bdf4;
/* SwiftUI */
Color(red: 0.192, green: 0.741, blue: 0.957)
/* Android */
Color.parseColor("#31bdf4")Accessibility — WCAG contrast
Aa
#31bdf4 on white: 2.16:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#31bdf4 on black: 9.72:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red19.2%
Green74.1%
Blue95.7%
CMYK percentages
Cyan79.9%
Magenta22.5%
Yellow0.0%
Key (black)4.3%
Color previews
#31bdf4 text on a black background
contrast 9.72:1
Card sample
#31bdf4 text on a white background
contrast 2.16:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #31bdf4;
Background color
Panel with #31bdf4 background
background-color: #31bdf4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #31bdf4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(49, 189, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(49, 189, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #31bdf4; background: linear-gradient(135deg, #31bdf4, #313BF4);