#638ddf
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
99, 141, 223
HSL
220°, 66%, 63%
CMYK
56, 37, 0, 13
Luminance
0.2703
Every format
| HEX | #638ddf |
| RGB | rgb(99, 141, 223) |
| HSL | hsl(220, 66%, 63%) |
| CMYK | cmyk(56%, 37%, 0%, 13%) |
| LAB | lab(59.0 9.4 -46.2) |
| LCH | lch(59.0 47.1 281.5) |
| OKLCH | oklch(0.649 0.132 262.7) |
Copy-ready code
/* CSS */
color: #638ddf;
background-color: #638ddf;
/* Tailwind (arbitrary) */
class="text-[#638ddf] bg-[#638ddf]"
/* SCSS */
$brand: #638ddf;
/* SwiftUI */
Color(red: 0.388, green: 0.553, blue: 0.875)
/* Android */
Color.parseColor("#638ddf")Accessibility — WCAG contrast
Aa
#638ddf on white: 3.28:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#638ddf on black: 6.41:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red38.8%
Green55.3%
Blue87.5%
CMYK percentages
Cyan55.6%
Magenta36.8%
Yellow0.0%
Key (black)12.5%
Color previews
#638ddf text on a black background
contrast 6.41:1
Card sample
#638ddf text on a white background
contrast 3.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #638ddf;
Background color
Panel with #638ddf background
background-color: #638ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #638ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(99, 141, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 141, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #638ddf; background: linear-gradient(135deg, #638ddf, #8C63DF);