#637cdf
a balanced, vivid blue · warm · closest name: dodgerblue
RGB
99, 124, 223
HSL
228°, 66%, 63%
CMYK
56, 44, 0, 13
Luminance
0.2240
Every format
| HEX | #637cdf |
| RGB | rgb(99, 124, 223) |
| HSL | hsl(228, 66%, 63%) |
| CMYK | cmyk(56%, 44%, 0%, 13%) |
| LAB | lab(54.4 19.6 -53.4) |
| LCH | lch(54.4 56.9 290.1) |
| OKLCH | oklch(0.614 0.152 270.7) |
Copy-ready code
/* CSS */
color: #637cdf;
background-color: #637cdf;
/* Tailwind (arbitrary) */
class="text-[#637cdf] bg-[#637cdf]"
/* SCSS */
$brand: #637cdf;
/* SwiftUI */
Color(red: 0.388, green: 0.486, blue: 0.875)
/* Android */
Color.parseColor("#637cdf")Accessibility — WCAG contrast
Aa
#637cdf on white: 3.83:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#637cdf on black: 5.48:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red38.8%
Green48.6%
Blue87.5%
CMYK percentages
Cyan55.6%
Magenta44.4%
Yellow0.0%
Key (black)12.5%
Color previews
#637cdf text on a black background
contrast 5.48:1
Card sample
#637cdf text on a white background
contrast 3.83:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #637cdf;
Background color
Panel with #637cdf background
background-color: #637cdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #637cdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(99, 124, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 124, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #637cdf; background: linear-gradient(135deg, #637cdf, #9D63DF);