#4281df
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
66, 129, 223
HSL
216°, 71%, 57%
CMYK
70, 42, 0, 13
Luminance
0.2219
Every format
| HEX | #4281df |
| RGB | rgb(66, 129, 223) |
| HSL | hsl(216, 71%, 57%) |
| CMYK | cmyk(70%, 42%, 0%, 13%) |
| LAB | lab(54.2 10.8 -53.9) |
| LCH | lch(54.2 54.9 281.3) |
| OKLCH | oklch(0.609 0.157 258.4) |
Copy-ready code
/* CSS */
color: #4281df;
background-color: #4281df;
/* Tailwind (arbitrary) */
class="text-[#4281df] bg-[#4281df]"
/* SCSS */
$brand: #4281df;
/* SwiftUI */
Color(red: 0.259, green: 0.506, blue: 0.875)
/* Android */
Color.parseColor("#4281df")Accessibility — WCAG contrast
Aa
#4281df on white: 3.86:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#4281df on black: 5.44:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green50.6%
Blue87.5%
CMYK percentages
Cyan70.4%
Magenta42.2%
Yellow0.0%
Key (black)12.5%
Color previews
#4281df text on a black background
contrast 5.44:1
Card sample
#4281df text on a white background
contrast 3.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4281df;
Background color
Panel with #4281df background
background-color: #4281df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4281df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 129, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 129, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4281df; background: linear-gradient(135deg, #4281df, #6C42DF);