#ff3f2f
a balanced, electric red · warm · closest name: tomato
RGB
255, 63, 47
HSL
5°, 100%, 59%
CMYK
0, 75, 82, 0
Luminance
0.2502
Every format
| HEX | #ff3f2f |
| RGB | rgb(255, 63, 47) |
| HSL | hsl(5, 100%, 59%) |
| CMYK | cmyk(0%, 75%, 82%, 0%) |
| LAB | lab(57.1 70.3 53.4) |
| LCH | lch(57.1 88.3 37.2) |
| OKLCH | oklch(0.657 0.230 29.5) |
Copy-ready code
/* CSS */
color: #ff3f2f;
background-color: #ff3f2f;
/* Tailwind (arbitrary) */
class="text-[#ff3f2f] bg-[#ff3f2f]"
/* SCSS */
$brand: #ff3f2f;
/* SwiftUI */
Color(red: 1.000, green: 0.247, blue: 0.184)
/* Android */
Color.parseColor("#ff3f2f")Accessibility — WCAG contrast
Aa
#ff3f2f on white: 3.50:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff3f2f on black: 6.00:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green24.7%
Blue18.4%
CMYK percentages
Cyan0.0%
Magenta75.3%
Yellow81.6%
Key (black)0.0%
Color previews
#ff3f2f text on a black background
contrast 6.00:1
Card sample
#ff3f2f text on a white background
contrast 3.50:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff3f2f;
Background color
Panel with #ff3f2f background
background-color: #ff3f2f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff3f2f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 63, 47, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 63, 47, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff3f2f; background: linear-gradient(135deg, #ff3f2f, #FFCA2F);