#531721
a deep, vivid red · warm · closest name: black
RGB
83, 23, 33
HSL
350°, 57%, 21%
CMYK
0, 72, 60, 68
Luminance
0.0256
Every format
| HEX | #531721 |
| RGB | rgb(83, 23, 33) |
| HSL | hsl(350, 57%, 21%) |
| CMYK | cmyk(0%, 72%, 60%, 68%) |
| LAB | lab(18.2 28.6 8.8) |
| LCH | lch(18.2 30.0 17.1) |
| OKLCH | oklch(0.306 0.089 14.4) |
Copy-ready code
/* CSS */
color: #531721;
background-color: #531721;
/* Tailwind (arbitrary) */
class="text-[#531721] bg-[#531721]"
/* SCSS */
$brand: #531721;
/* SwiftUI */
Color(red: 0.325, green: 0.090, blue: 0.129)
/* Android */
Color.parseColor("#531721")Accessibility — WCAG contrast
Aa
#531721 on white: 13.89:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#531721 on black: 1.51:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red32.5%
Green9.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta72.3%
Yellow60.2%
Key (black)67.5%
Color previews
#531721 text on a black background
contrast 1.51:1
Card sample
#531721 text on a white background
contrast 13.89:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #531721;
Background color
Panel with #531721 background
background-color: #531721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #531721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(83, 23, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(83, 23, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #531721; background: linear-gradient(135deg, #531721, #533517);