#ff0f0f
a balanced, electric red · warm · closest name: red
RGB
255, 15, 15
HSL
0°, 100%, 53%
CMYK
0, 94, 94, 0
Luminance
0.2164
Every format
| HEX | #ff0f0f |
| RGB | rgb(255, 15, 15) |
| HSL | hsl(0, 100%, 53%) |
| CMYK | cmyk(0%, 94%, 94%, 0%) |
| LAB | lab(53.6 79.1 63.7) |
| LCH | lch(53.6 101.6 38.8) |
| OKLCH | oklch(0.631 0.255 28.9) |
Copy-ready code
/* CSS */
color: #ff0f0f;
background-color: #ff0f0f;
/* Tailwind (arbitrary) */
class="text-[#ff0f0f] bg-[#ff0f0f]"
/* SCSS */
$brand: #ff0f0f;
/* SwiftUI */
Color(red: 1.000, green: 0.059, blue: 0.059)
/* Android */
Color.parseColor("#ff0f0f")Accessibility — WCAG contrast
Aa
#ff0f0f on white: 3.94:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff0f0f on black: 5.33:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green5.9%
Blue5.9%
CMYK percentages
Cyan0.0%
Magenta94.1%
Yellow94.1%
Key (black)0.0%
Color previews
#ff0f0f text on a black background
contrast 5.33:1
Card sample
#ff0f0f text on a white background
contrast 3.94:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff0f0f;
Background color
Panel with #ff0f0f background
background-color: #ff0f0f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff0f0f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 15, 15, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 15, 15, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff0f0f; background: linear-gradient(135deg, #ff0f0f, #FFAF0F);