#577acf
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
87, 122, 207
HSL
223°, 56%, 58%
CMYK
58, 41, 0, 19
Luminance
0.2045
Every format
| HEX | #577acf |
| RGB | rgb(87, 122, 207) |
| HSL | hsl(223, 56%, 58%) |
| CMYK | cmyk(58%, 41%, 0%, 19%) |
| LAB | lab(52.3 13.1 -47.8) |
| LCH | lch(52.3 49.5 285.3) |
| OKLCH | oklch(0.594 0.136 265.6) |
Copy-ready code
/* CSS */
color: #577acf;
background-color: #577acf;
/* Tailwind (arbitrary) */
class="text-[#577acf] bg-[#577acf]"
/* SCSS */
$brand: #577acf;
/* SwiftUI */
Color(red: 0.341, green: 0.478, blue: 0.812)
/* Android */
Color.parseColor("#577acf")Accessibility — WCAG contrast
Aa
#577acf on white: 4.13:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#577acf on black: 5.09:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green47.8%
Blue81.2%
CMYK percentages
Cyan58.0%
Magenta41.1%
Yellow0.0%
Key (black)18.8%
Color previews
#577acf text on a black background
contrast 5.09:1
Card sample
#577acf text on a white background
contrast 4.13:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #577acf;
Background color
Panel with #577acf background
background-color: #577acf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #577acf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 122, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 122, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #577acf; background: linear-gradient(135deg, #577acf, #8457CF);