#ff3921
a balanced, electric red · warm · closest name: red
RGB
255, 57, 33
HSL
7°, 100%, 57%
CMYK
0, 78, 87, 0
Luminance
0.2430
Every format
| HEX | #ff3921 |
| RGB | rgb(255, 57, 33) |
| HSL | hsl(7, 100%, 57%) |
| CMYK | cmyk(0%, 78%, 87%, 0%) |
| LAB | lab(56.4 71.8 59.1) |
| LCH | lch(56.4 92.9 39.5) |
| OKLCH | oklch(0.652 0.235 30.8) |
Copy-ready code
/* CSS */
color: #ff3921;
background-color: #ff3921;
/* Tailwind (arbitrary) */
class="text-[#ff3921] bg-[#ff3921]"
/* SCSS */
$brand: #ff3921;
/* SwiftUI */
Color(red: 1.000, green: 0.224, blue: 0.129)
/* Android */
Color.parseColor("#ff3921")Accessibility — WCAG contrast
Aa
#ff3921 on white: 3.58:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff3921 on black: 5.86:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green22.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta77.6%
Yellow87.1%
Key (black)0.0%
Color previews
#ff3921 text on a black background
contrast 5.86:1
Card sample
#ff3921 text on a white background
contrast 3.58:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff3921;
Background color
Panel with #ff3921 background
background-color: #ff3921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff3921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 57, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 57, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff3921; background: linear-gradient(135deg, #ff3921, #FFCD21);