#558fef
a balanced, electric blue · cool · closest name: dodgerblue
RGB
85, 143, 239
HSL
217°, 83%, 64%
CMYK
64, 40, 0, 6
Luminance
0.2781
Every format
| HEX | #558fef |
| RGB | rgb(85, 143, 239) |
| HSL | hsl(217, 83%, 64%) |
| CMYK | cmyk(64%, 40%, 0%, 6%) |
| LAB | lab(59.7 10.8 -54.0) |
| LCH | lch(59.7 55.0 281.3) |
| OKLCH | oklch(0.656 0.156 259.9) |
Copy-ready code
/* CSS */
color: #558fef;
background-color: #558fef;
/* Tailwind (arbitrary) */
class="text-[#558fef] bg-[#558fef]"
/* SCSS */
$brand: #558fef;
/* SwiftUI */
Color(red: 0.333, green: 0.561, blue: 0.937)
/* Android */
Color.parseColor("#558fef")Accessibility — WCAG contrast
Aa
#558fef on white: 3.20:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#558fef on black: 6.56:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green56.1%
Blue93.7%
CMYK percentages
Cyan64.4%
Magenta40.2%
Yellow0.0%
Key (black)6.3%
Color previews
#558fef text on a black background
contrast 6.56:1
Card sample
#558fef text on a white background
contrast 3.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #558fef;
Background color
Panel with #558fef background
background-color: #558fef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #558fef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 143, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 143, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #558fef; background: linear-gradient(135deg, #558fef, #8255EF);