#421dbb
a dark, vivid blue · warm · closest name: navy
RGB
66, 29, 187
HSL
254°, 73%, 42%
CMYK
65, 85, 0, 27
Luminance
0.0562
Every format
| HEX | #421dbb |
| RGB | rgb(66, 29, 187) |
| HSL | hsl(254, 73%, 42%) |
| CMYK | cmyk(65%, 85%, 0%, 27%) |
| LAB | lab(28.4 56.8 -75.0) |
| LCH | lch(28.4 94.1 307.1) |
| OKLCH | oklch(0.409 0.221 281.2) |
Copy-ready code
/* CSS */
color: #421dbb;
background-color: #421dbb;
/* Tailwind (arbitrary) */
class="text-[#421dbb] bg-[#421dbb]"
/* SCSS */
$brand: #421dbb;
/* SwiftUI */
Color(red: 0.259, green: 0.114, blue: 0.733)
/* Android */
Color.parseColor("#421dbb")Accessibility — WCAG contrast
Aa
#421dbb on white: 9.88:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#421dbb on black: 2.12:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green11.4%
Blue73.3%
CMYK percentages
Cyan64.7%
Magenta84.5%
Yellow0.0%
Key (black)26.7%
Color previews
#421dbb text on a black background
contrast 2.12:1
Card sample
#421dbb text on a white background
contrast 9.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #421dbb;
Background color
Panel with #421dbb background
background-color: #421dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #421dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 29, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 29, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #421dbb; background: linear-gradient(135deg, #421dbb, #AC1DBB);