#f53f3f
a balanced, electric red · warm · closest name: tomato
RGB
245, 63, 63
HSL
0°, 90%, 60%
CMYK
0, 74, 74, 4
Luminance
0.2333
Every format
| HEX | #f53f3f |
| RGB | rgb(245, 63, 63) |
| HSL | hsl(0, 90%, 60%) |
| CMYK | cmyk(0%, 74%, 74%, 4%) |
| LAB | lab(55.4 67.9 42.7) |
| LCH | lch(55.4 80.2 32.2) |
| OKLCH | oklch(0.642 0.218 25.9) |
Copy-ready code
/* CSS */
color: #f53f3f;
background-color: #f53f3f;
/* Tailwind (arbitrary) */
class="text-[#f53f3f] bg-[#f53f3f]"
/* SCSS */
$brand: #f53f3f;
/* SwiftUI */
Color(red: 0.961, green: 0.247, blue: 0.247)
/* Android */
Color.parseColor("#f53f3f")Accessibility — WCAG contrast
Aa
#f53f3f on white: 3.71:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#f53f3f on black: 5.67:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red96.1%
Green24.7%
Blue24.7%
CMYK percentages
Cyan0.0%
Magenta74.3%
Yellow74.3%
Key (black)3.9%
Color previews
#f53f3f text on a black background
contrast 5.67:1
Card sample
#f53f3f text on a white background
contrast 3.71:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f53f3f;
Background color
Panel with #f53f3f background
background-color: #f53f3f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f53f3f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(245, 63, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(245, 63, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f53f3f; background: linear-gradient(135deg, #f53f3f, #F5B83F);