#57acef
a balanced, electric blue · cool · closest name: steelblue
RGB
87, 172, 239
HSL
206°, 83%, 64%
CMYK
64, 28, 0, 6
Luminance
0.3776
Every format
| HEX | #57acef |
| RGB | rgb(87, 172, 239) |
| HSL | hsl(206, 83%, 64%) |
| CMYK | cmyk(64%, 28%, 0%, 6%) |
| LAB | lab(67.8 -5.6 -41.1) |
| LCH | lch(67.8 41.5 262.3) |
| OKLCH | oklch(0.720 0.128 244.8) |
Copy-ready code
/* CSS */
color: #57acef;
background-color: #57acef;
/* Tailwind (arbitrary) */
class="text-[#57acef] bg-[#57acef]"
/* SCSS */
$brand: #57acef;
/* SwiftUI */
Color(red: 0.341, green: 0.675, blue: 0.937)
/* Android */
Color.parseColor("#57acef")Accessibility — WCAG contrast
Aa
#57acef on white: 2.46:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#57acef on black: 8.55:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green67.5%
Blue93.7%
CMYK percentages
Cyan63.6%
Magenta28.0%
Yellow0.0%
Key (black)6.3%
Color previews
#57acef text on a black background
contrast 8.55:1
Card sample
#57acef text on a white background
contrast 2.46:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #57acef;
Background color
Panel with #57acef background
background-color: #57acef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #57acef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 172, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 172, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #57acef; background: linear-gradient(135deg, #57acef, #6757EF);