#57adef
a balanced, electric blue · cool · closest name: steelblue
RGB
87, 173, 239
HSL
206°, 83%, 64%
CMYK
64, 28, 0, 6
Luminance
0.3815
Every format
| HEX | #57adef |
| RGB | rgb(87, 173, 239) |
| HSL | hsl(206, 83%, 64%) |
| CMYK | cmyk(64%, 28%, 0%, 6%) |
| LAB | lab(68.1 -6.1 -40.7) |
| LCH | lch(68.1 41.1 261.4) |
| OKLCH | oklch(0.722 0.127 244.1) |
Copy-ready code
/* CSS */
color: #57adef;
background-color: #57adef;
/* Tailwind (arbitrary) */
class="text-[#57adef] bg-[#57adef]"
/* SCSS */
$brand: #57adef;
/* SwiftUI */
Color(red: 0.341, green: 0.678, blue: 0.937)
/* Android */
Color.parseColor("#57adef")Accessibility — WCAG contrast
Aa
#57adef on white: 2.43:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#57adef on black: 8.63:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green67.8%
Blue93.7%
CMYK percentages
Cyan63.6%
Magenta27.6%
Yellow0.0%
Key (black)6.3%
Color previews
#57adef text on a black background
contrast 8.63:1
Card sample
#57adef text on a white background
contrast 2.43:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #57adef;
Background color
Panel with #57adef background
background-color: #57adef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #57adef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 173, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 173, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #57adef; background: linear-gradient(135deg, #57adef, #6657EF);