#f30c21
a balanced, electric red · warm · closest name: red
RGB
243, 12, 33
HSL
355°, 91%, 50%
CMYK
0, 95, 86, 5
Luminance
0.1943
Every format
| HEX | #f30c21 |
| RGB | rgb(243, 12, 33) |
| HSL | hsl(355, 91%, 50%) |
| CMYK | cmyk(0%, 95%, 86%, 5%) |
| LAB | lab(51.2 76.7 54.0) |
| LCH | lch(51.2 93.8 35.1) |
| OKLCH | oklch(0.609 0.245 26.7) |
Copy-ready code
/* CSS */
color: #f30c21;
background-color: #f30c21;
/* Tailwind (arbitrary) */
class="text-[#f30c21] bg-[#f30c21]"
/* SCSS */
$brand: #f30c21;
/* SwiftUI */
Color(red: 0.953, green: 0.047, blue: 0.129)
/* Android */
Color.parseColor("#f30c21")Accessibility — WCAG contrast
Aa
#f30c21 on white: 4.30:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#f30c21 on black: 4.89:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red95.3%
Green4.7%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta95.1%
Yellow86.4%
Key (black)4.7%
Color previews
#f30c21 text on a black background
contrast 4.89:1
Card sample
#f30c21 text on a white background
contrast 4.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f30c21;
Background color
Panel with #f30c21 background
background-color: #f30c21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f30c21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(243, 12, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(243, 12, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f30c21; background: linear-gradient(135deg, #f30c21, #F3910C);