#403dbb
a balanced, vivid blue · warm · closest name: slateblue
RGB
64, 61, 187
HSL
241°, 51%, 49%
CMYK
66, 67, 0, 27
Luminance
0.0802
Every format
| HEX | #403dbb |
| RGB | rgb(64, 61, 187) |
| HSL | hsl(241, 51%, 49%) |
| CMYK | cmyk(66%, 67%, 0%, 27%) |
| LAB | lab(34.0 40.4 -65.9) |
| LCH | lch(34.0 77.3 301.5) |
| OKLCH | oklch(0.448 0.191 276.4) |
Copy-ready code
/* CSS */
color: #403dbb;
background-color: #403dbb;
/* Tailwind (arbitrary) */
class="text-[#403dbb] bg-[#403dbb]"
/* SCSS */
$brand: #403dbb;
/* SwiftUI */
Color(red: 0.251, green: 0.239, blue: 0.733)
/* Android */
Color.parseColor("#403dbb")Accessibility — WCAG contrast
Aa
#403dbb on white: 8.07:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#403dbb on black: 2.60:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green23.9%
Blue73.3%
CMYK percentages
Cyan65.8%
Magenta67.4%
Yellow0.0%
Key (black)26.7%
Color previews
#403dbb text on a black background
contrast 2.60:1
Card sample
#403dbb text on a white background
contrast 8.07:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #403dbb;
Background color
Panel with #403dbb background
background-color: #403dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #403dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 61, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 61, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #403dbb; background: linear-gradient(135deg, #403dbb, #943DBB);