#ff3f3a
a balanced, electric red · warm · closest name: tomato
RGB
255, 63, 58
HSL
2°, 100%, 61%
CMYK
0, 75, 77, 0
Luminance
0.2512
Every format
| HEX | #ff3f3a |
| RGB | rgb(255, 63, 58) |
| HSL | hsl(2, 100%, 61%) |
| CMYK | cmyk(0%, 75%, 77%, 0%) |
| LAB | lab(57.2 70.7 47.9) |
| LCH | lch(57.2 85.3 34.1) |
| OKLCH | oklch(0.658 0.228 27.3) |
Copy-ready code
/* CSS */
color: #ff3f3a;
background-color: #ff3f3a;
/* Tailwind (arbitrary) */
class="text-[#ff3f3a] bg-[#ff3f3a]"
/* SCSS */
$brand: #ff3f3a;
/* SwiftUI */
Color(red: 1.000, green: 0.247, blue: 0.227)
/* Android */
Color.parseColor("#ff3f3a")Accessibility — WCAG contrast
Aa
#ff3f3a on white: 3.49:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff3f3a on black: 6.02:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green24.7%
Blue22.7%
CMYK percentages
Cyan0.0%
Magenta75.3%
Yellow77.3%
Key (black)0.0%
Color previews
#ff3f3a text on a black background
contrast 6.02:1
Card sample
#ff3f3a text on a white background
contrast 3.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff3f3a;
Background color
Panel with #ff3f3a background
background-color: #ff3f3a;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff3f3a;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 63, 58, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 63, 58, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff3f3a; background: linear-gradient(135deg, #ff3f3a, #FFC23A);