#403bc9
a balanced, vivid blue · warm · closest name: slateblue
RGB
64, 59, 201
HSL
242°, 57%, 51%
CMYK
68, 71, 0, 21
Luminance
0.0843
Every format
| HEX | #403bc9 |
| RGB | rgb(64, 59, 201) |
| HSL | hsl(242, 57%, 51%) |
| CMYK | cmyk(68%, 71%, 0%, 21%) |
| LAB | lab(34.9 46.1 -72.7) |
| LCH | lch(34.9 86.1 302.4) |
| OKLCH | oklch(0.458 0.211 275.7) |
Copy-ready code
/* CSS */
color: #403bc9;
background-color: #403bc9;
/* Tailwind (arbitrary) */
class="text-[#403bc9] bg-[#403bc9]"
/* SCSS */
$brand: #403bc9;
/* SwiftUI */
Color(red: 0.251, green: 0.231, blue: 0.788)
/* Android */
Color.parseColor("#403bc9")Accessibility — WCAG contrast
Aa
#403bc9 on white: 7.82:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#403bc9 on black: 2.69:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green23.1%
Blue78.8%
CMYK percentages
Cyan68.2%
Magenta70.6%
Yellow0.0%
Key (black)21.2%
Color previews
#403bc9 text on a black background
contrast 2.69:1
Card sample
#403bc9 text on a white background
contrast 7.82:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #403bc9;
Background color
Panel with #403bc9 background
background-color: #403bc9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #403bc9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 59, 201, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 59, 201, 0.45);
Border & gradient
Gradient panel
border: 3px solid #403bc9; background: linear-gradient(135deg, #403bc9, #9F3BC9);