#ff1237
a balanced, electric red · warm · closest name: crimson
RGB
255, 18, 55
HSL
351°, 100%, 54%
CMYK
0, 93, 78, 0
Luminance
0.2197
Every format
| HEX | #ff1237 |
| RGB | rgb(255, 18, 55) |
| HSL | hsl(351, 100%, 54%) |
| CMYK | cmyk(0%, 93%, 78%, 0%) |
| LAB | lab(54.0 79.6 46.2) |
| LCH | lch(54.0 92.0 30.1) |
| OKLCH | oklch(0.634 0.251 23.4) |
Copy-ready code
/* CSS */
color: #ff1237;
background-color: #ff1237;
/* Tailwind (arbitrary) */
class="text-[#ff1237] bg-[#ff1237]"
/* SCSS */
$brand: #ff1237;
/* SwiftUI */
Color(red: 1.000, green: 0.071, blue: 0.216)
/* Android */
Color.parseColor("#ff1237")Accessibility — WCAG contrast
Aa
#ff1237 on white: 3.89:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff1237 on black: 5.39:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green7.1%
Blue21.6%
CMYK percentages
Cyan0.0%
Magenta92.9%
Yellow78.4%
Key (black)0.0%
Color previews
#ff1237 text on a black background
contrast 5.39:1
Card sample
#ff1237 text on a white background
contrast 3.89:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff1237;
Background color
Panel with #ff1237 background
background-color: #ff1237;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff1237;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 18, 55, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 18, 55, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff1237; background: linear-gradient(135deg, #ff1237, #FF8B12);