#638fcf
a balanced, vivid blue · cool · closest name: steelblue
RGB
99, 143, 207
HSL
216°, 53%, 60%
CMYK
52, 31, 0, 19
Luminance
0.2680
Every format
| HEX | #638fcf |
| RGB | rgb(99, 143, 207) |
| HSL | hsl(216, 53%, 60%) |
| CMYK | cmyk(52%, 31%, 0%, 19%) |
| LAB | lab(58.8 3.1 -37.5) |
| LCH | lch(58.8 37.7 274.8) |
| OKLCH | oklch(0.645 0.108 257.7) |
Copy-ready code
/* CSS */
color: #638fcf;
background-color: #638fcf;
/* Tailwind (arbitrary) */
class="text-[#638fcf] bg-[#638fcf]"
/* SCSS */
$brand: #638fcf;
/* SwiftUI */
Color(red: 0.388, green: 0.561, blue: 0.812)
/* Android */
Color.parseColor("#638fcf")Accessibility — WCAG contrast
Aa
#638fcf on white: 3.30:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#638fcf on black: 6.36:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red38.8%
Green56.1%
Blue81.2%
CMYK percentages
Cyan52.2%
Magenta30.9%
Yellow0.0%
Key (black)18.8%
Color previews
#638fcf text on a black background
contrast 6.36:1
Card sample
#638fcf text on a white background
contrast 3.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #638fcf;
Background color
Panel with #638fcf background
background-color: #638fcf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #638fcf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(99, 143, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 143, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #638fcf; background: linear-gradient(135deg, #638fcf, #7F63CF);