#57b0df
a balanced, vivid blue · cool · closest name: skyblue
RGB
87, 176, 223
HSL
201°, 68%, 61%
CMYK
61, 21, 0, 13
Luminance
0.3840
Every format
| HEX | #57b0df |
| RGB | rgb(87, 176, 223) |
| HSL | hsl(201, 68%, 61%) |
| CMYK | cmyk(61%, 21%, 0%, 13%) |
| LAB | lab(68.3 -12.8 -31.6) |
| LCH | lch(68.3 34.1 247.9) |
| OKLCH | oklch(0.721 0.109 234.2) |
Copy-ready code
/* CSS */
color: #57b0df;
background-color: #57b0df;
/* Tailwind (arbitrary) */
class="text-[#57b0df] bg-[#57b0df]"
/* SCSS */
$brand: #57b0df;
/* SwiftUI */
Color(red: 0.341, green: 0.690, blue: 0.875)
/* Android */
Color.parseColor("#57b0df")Accessibility — WCAG contrast
Aa
#57b0df on white: 2.42:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#57b0df on black: 8.68:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green69.0%
Blue87.5%
CMYK percentages
Cyan61.0%
Magenta21.1%
Yellow0.0%
Key (black)12.5%
Color previews
#57b0df text on a black background
contrast 8.68:1
Card sample
#57b0df text on a white background
contrast 2.42:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #57b0df;
Background color
Panel with #57b0df background
background-color: #57b0df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #57b0df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 176, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 176, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #57b0df; background: linear-gradient(135deg, #57b0df, #5957DF);