#f00b21
a balanced, electric red · warm · closest name: red
RGB
240, 11, 33
HSL
354°, 91%, 49%
CMYK
0, 95, 86, 6
Luminance
0.1887
Every format
| HEX | #f00b21 |
| RGB | rgb(240, 11, 33) |
| HSL | hsl(354, 91%, 49%) |
| CMYK | cmyk(0%, 95%, 86%, 6%) |
| LAB | lab(50.5 76.0 53.2) |
| LCH | lch(50.5 92.8 35.0) |
| OKLCH | oklch(0.603 0.242 26.6) |
Copy-ready code
/* CSS */
color: #f00b21;
background-color: #f00b21;
/* Tailwind (arbitrary) */
class="text-[#f00b21] bg-[#f00b21]"
/* SCSS */
$brand: #f00b21;
/* SwiftUI */
Color(red: 0.941, green: 0.043, blue: 0.129)
/* Android */
Color.parseColor("#f00b21")Accessibility — WCAG contrast
Aa
#f00b21 on white: 4.40:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#f00b21 on black: 4.77:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red94.1%
Green4.3%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta95.4%
Yellow86.3%
Key (black)5.9%
Color previews
#f00b21 text on a black background
contrast 4.77:1
Card sample
#f00b21 text on a white background
contrast 4.40:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f00b21;
Background color
Panel with #f00b21 background
background-color: #f00b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f00b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(240, 11, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(240, 11, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f00b21; background: linear-gradient(135deg, #f00b21, #F08D0B);