#646dbb
a balanced, soft blue · warm · closest name: steelblue
RGB
100, 109, 187
HSL
234°, 39%, 56%
CMYK
47, 42, 0, 27
Luminance
0.1723
Every format
| HEX | #646dbb |
| RGB | rgb(100, 109, 187) |
| HSL | hsl(234, 39%, 56%) |
| CMYK | cmyk(47%, 42%, 0%, 27%) |
| LAB | lab(48.5 17.6 -42.3) |
| LCH | lch(48.5 45.8 292.6) |
| OKLCH | oklch(0.563 0.120 276.8) |
Copy-ready code
/* CSS */
color: #646dbb;
background-color: #646dbb;
/* Tailwind (arbitrary) */
class="text-[#646dbb] bg-[#646dbb]"
/* SCSS */
$brand: #646dbb;
/* SwiftUI */
Color(red: 0.392, green: 0.427, blue: 0.733)
/* Android */
Color.parseColor("#646dbb")Accessibility — WCAG contrast
Aa
#646dbb on white: 4.72:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#646dbb on black: 4.45:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green42.7%
Blue73.3%
CMYK percentages
Cyan46.5%
Magenta41.7%
Yellow0.0%
Key (black)26.7%
Color previews
#646dbb text on a black background
contrast 4.45:1
Card sample
#646dbb text on a white background
contrast 4.72:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #646dbb;
Background color
Panel with #646dbb background
background-color: #646dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #646dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 109, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 109, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #646dbb; background: linear-gradient(135deg, #646dbb, #9564BB);