#638fdf
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
99, 143, 223
HSL
219°, 66%, 63%
CMYK
56, 36, 0, 13
Luminance
0.2763
Every format
| HEX | #638fdf |
| RGB | rgb(99, 143, 223) |
| HSL | hsl(219, 66%, 63%) |
| CMYK | cmyk(56%, 36%, 0%, 13%) |
| LAB | lab(59.5 8.2 -45.3) |
| LCH | lch(59.5 46.0 280.2) |
| OKLCH | oklch(0.654 0.130 261.6) |
Copy-ready code
/* CSS */
color: #638fdf;
background-color: #638fdf;
/* Tailwind (arbitrary) */
class="text-[#638fdf] bg-[#638fdf]"
/* SCSS */
$brand: #638fdf;
/* SwiftUI */
Color(red: 0.388, green: 0.561, blue: 0.875)
/* Android */
Color.parseColor("#638fdf")Accessibility — WCAG contrast
Aa
#638fdf on white: 3.22:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#638fdf on black: 6.53:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red38.8%
Green56.1%
Blue87.5%
CMYK percentages
Cyan55.6%
Magenta35.9%
Yellow0.0%
Key (black)12.5%
Color previews
#638fdf text on a black background
contrast 6.53:1
Card sample
#638fdf text on a white background
contrast 3.22:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #638fdf;
Background color
Panel with #638fdf background
background-color: #638fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #638fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(99, 143, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 143, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #638fdf; background: linear-gradient(135deg, #638fdf, #8A63DF);