#ff231f
a balanced, electric red · warm · closest name: red
RGB
255, 35, 31
HSL
1°, 100%, 56%
CMYK
0, 86, 88, 0
Luminance
0.2256
Every format
| HEX | #ff231f |
| RGB | rgb(255, 35, 31) |
| HSL | hsl(1, 100%, 56%) |
| CMYK | cmyk(0%, 86%, 88%, 0%) |
| LAB | lab(54.6 76.7 58.6) |
| LCH | lch(54.6 96.5 37.4) |
| OKLCH | oklch(0.638 0.247 28.5) |
Copy-ready code
/* CSS */
color: #ff231f;
background-color: #ff231f;
/* Tailwind (arbitrary) */
class="text-[#ff231f] bg-[#ff231f]"
/* SCSS */
$brand: #ff231f;
/* SwiftUI */
Color(red: 1.000, green: 0.137, blue: 0.122)
/* Android */
Color.parseColor("#ff231f")Accessibility — WCAG contrast
Aa
#ff231f on white: 3.81:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff231f on black: 5.51:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green13.7%
Blue12.2%
CMYK percentages
Cyan0.0%
Magenta86.3%
Yellow87.8%
Key (black)0.0%
Color previews
#ff231f text on a black background
contrast 5.51:1
Card sample
#ff231f text on a white background
contrast 3.81:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff231f;
Background color
Panel with #ff231f background
background-color: #ff231f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff231f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 35, 31, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 35, 31, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff231f; background: linear-gradient(135deg, #ff231f, #FFB81F);