#637ecf
a balanced, vivid blue · warm · closest name: dodgerblue
RGB
99, 126, 207
HSL
225°, 53%, 60%
CMYK
52, 39, 0, 19
Luminance
0.2208
Every format
| HEX | #637ecf |
| RGB | rgb(99, 126, 207) |
| HSL | hsl(225, 53%, 60%) |
| CMYK | cmyk(52%, 39%, 0%, 19%) |
| LAB | lab(54.1 13.2 -44.9) |
| LCH | lch(54.1 46.8 286.4) |
| OKLCH | oklch(0.609 0.127 268.5) |
Copy-ready code
/* CSS */
color: #637ecf;
background-color: #637ecf;
/* Tailwind (arbitrary) */
class="text-[#637ecf] bg-[#637ecf]"
/* SCSS */
$brand: #637ecf;
/* SwiftUI */
Color(red: 0.388, green: 0.494, blue: 0.812)
/* Android */
Color.parseColor("#637ecf")Accessibility — WCAG contrast
Aa
#637ecf on white: 3.88:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#637ecf on black: 5.42:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red38.8%
Green49.4%
Blue81.2%
CMYK percentages
Cyan52.2%
Magenta39.1%
Yellow0.0%
Key (black)18.8%
Color previews
#637ecf text on a black background
contrast 5.42:1
Card sample
#637ecf text on a white background
contrast 3.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #637ecf;
Background color
Panel with #637ecf background
background-color: #637ecf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #637ecf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(99, 126, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 126, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #637ecf; background: linear-gradient(135deg, #637ecf, #9063CF);