#900621
a dark, electric red · warm · closest name: maroon
RGB
144, 6, 33
HSL
348°, 92%, 29%
CMYK
0, 96, 77, 44
Luminance
0.0617
Every format
| HEX | #900621 |
| RGB | rgb(144, 6, 33) |
| HSL | hsl(348, 92%, 29%) |
| CMYK | cmyk(0%, 96%, 77%, 44%) |
| LAB | lab(29.8 52.1 26.2) |
| LCH | lch(29.8 58.4 26.7) |
| OKLCH | oklch(0.416 0.164 21.0) |
Copy-ready code
/* CSS */
color: #900621;
background-color: #900621;
/* Tailwind (arbitrary) */
class="text-[#900621] bg-[#900621]"
/* SCSS */
$brand: #900621;
/* SwiftUI */
Color(red: 0.565, green: 0.024, blue: 0.129)
/* Android */
Color.parseColor("#900621")Accessibility — WCAG contrast
Aa
#900621 on white: 9.40:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#900621 on black: 2.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red56.5%
Green2.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta95.8%
Yellow77.1%
Key (black)43.5%
Color previews
#900621 text on a black background
contrast 2.23:1
Card sample
#900621 text on a white background
contrast 9.40:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #900621;
Background color
Panel with #900621 background
background-color: #900621;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #900621;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(144, 6, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(144, 6, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #900621; background: linear-gradient(135deg, #900621, #904706);