#f33921
a balanced, electric red · warm · closest name: red
RGB
243, 57, 33
HSL
7°, 90%, 54%
CMYK
0, 77, 86, 5
Luminance
0.2209
Every format
| HEX | #f33921 |
| RGB | rgb(243, 57, 33) |
| HSL | hsl(7, 90%, 54%) |
| CMYK | cmyk(0%, 77%, 86%, 5%) |
| LAB | lab(54.1 68.3 56.3) |
| LCH | lch(54.1 88.5 39.5) |
| OKLCH | oklch(0.631 0.224 31.0) |
Copy-ready code
/* CSS */
color: #f33921;
background-color: #f33921;
/* Tailwind (arbitrary) */
class="text-[#f33921] bg-[#f33921]"
/* SCSS */
$brand: #f33921;
/* SwiftUI */
Color(red: 0.953, green: 0.224, blue: 0.129)
/* Android */
Color.parseColor("#f33921")Accessibility — WCAG contrast
Aa
#f33921 on white: 3.88:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#f33921 on black: 5.42:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red95.3%
Green22.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta76.5%
Yellow86.4%
Key (black)4.7%
Color previews
#f33921 text on a black background
contrast 5.42:1
Card sample
#f33921 text on a white background
contrast 3.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f33921;
Background color
Panel with #f33921 background
background-color: #f33921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f33921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(243, 57, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(243, 57, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f33921; background: linear-gradient(135deg, #f33921, #F3C521);