#3fa3df
a balanced, vivid blue · cool · closest name: steelblue
RGB
63, 163, 223
HSL
203°, 71%, 56%
CMYK
72, 27, 0, 13
Luminance
0.3258
Every format
| HEX | #3fa3df |
| RGB | rgb(63, 163, 223) |
| HSL | hsl(203, 71%, 56%) |
| CMYK | cmyk(72%, 27%, 0%, 13%) |
| LAB | lab(63.8 -9.5 -38.7) |
| LCH | lch(63.8 39.8 256.2) |
| OKLCH | oklch(0.683 0.127 239.1) |
Copy-ready code
/* CSS */
color: #3fa3df;
background-color: #3fa3df;
/* Tailwind (arbitrary) */
class="text-[#3fa3df] bg-[#3fa3df]"
/* SCSS */
$brand: #3fa3df;
/* SwiftUI */
Color(red: 0.247, green: 0.639, blue: 0.875)
/* Android */
Color.parseColor("#3fa3df")Accessibility — WCAG contrast
Aa
#3fa3df on white: 2.79:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3fa3df on black: 7.52:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green63.9%
Blue87.5%
CMYK percentages
Cyan71.7%
Magenta26.9%
Yellow0.0%
Key (black)12.5%
Color previews
#3fa3df text on a black background
contrast 7.52:1
Card sample
#3fa3df text on a white background
contrast 2.79:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3fa3df;
Background color
Panel with #3fa3df background
background-color: #3fa3df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3fa3df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 163, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 163, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3fa3df; background: linear-gradient(135deg, #3fa3df, #463FDF);