#ff181b
a balanced, electric red · warm · closest name: red
RGB
255, 24, 27
HSL
359°, 100%, 55%
CMYK
0, 91, 89, 0
Luminance
0.2199
Every format
| HEX | #ff181b |
| RGB | rgb(255, 24, 27) |
| HSL | hsl(359, 100%, 55%) |
| CMYK | cmyk(0%, 91%, 89%, 0%) |
| LAB | lab(54.0 78.3 59.8) |
| LCH | lch(54.0 98.5 37.4) |
| OKLCH | oklch(0.634 0.252 28.2) |
Copy-ready code
/* CSS */
color: #ff181b;
background-color: #ff181b;
/* Tailwind (arbitrary) */
class="text-[#ff181b] bg-[#ff181b]"
/* SCSS */
$brand: #ff181b;
/* SwiftUI */
Color(red: 1.000, green: 0.094, blue: 0.106)
/* Android */
Color.parseColor("#ff181b")Accessibility — WCAG contrast
Aa
#ff181b on white: 3.89:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff181b on black: 5.40:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green9.4%
Blue10.6%
CMYK percentages
Cyan0.0%
Magenta90.6%
Yellow89.4%
Key (black)0.0%
Color previews
#ff181b text on a black background
contrast 5.40:1
Card sample
#ff181b text on a white background
contrast 3.89:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff181b;
Background color
Panel with #ff181b background
background-color: #ff181b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff181b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 24, 27, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 24, 27, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff181b; background: linear-gradient(135deg, #ff181b, #FFAF18);