#cf3f37
a balanced, vivid red · warm · closest name: firebrick
RGB
207, 63, 55
HSL
3°, 61%, 51%
CMYK
0, 70, 73, 19
Luminance
0.1710
Every format
| HEX | #cf3f37 |
| RGB | rgb(207, 63, 55) |
| HSL | hsl(3, 61%, 51%) |
| CMYK | cmyk(0%, 70%, 73%, 19%) |
| LAB | lab(48.4 56.0 37.4) |
| LCH | lch(48.4 67.3 33.8) |
| OKLCH | oklch(0.577 0.182 27.5) |
Copy-ready code
/* CSS */
color: #cf3f37;
background-color: #cf3f37;
/* Tailwind (arbitrary) */
class="text-[#cf3f37] bg-[#cf3f37]"
/* SCSS */
$brand: #cf3f37;
/* SwiftUI */
Color(red: 0.812, green: 0.247, blue: 0.216)
/* Android */
Color.parseColor("#cf3f37")Accessibility — WCAG contrast
Aa
#cf3f37 on white: 4.75:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#cf3f37 on black: 4.42:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red81.2%
Green24.7%
Blue21.6%
CMYK percentages
Cyan0.0%
Magenta69.6%
Yellow73.4%
Key (black)18.8%
Color previews
#cf3f37 text on a black background
contrast 4.42:1
Card sample
#cf3f37 text on a white background
contrast 4.75:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cf3f37;
Background color
Panel with #cf3f37 background
background-color: #cf3f37;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cf3f37;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(207, 63, 55, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(207, 63, 55, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cf3f37; background: linear-gradient(135deg, #cf3f37, #CFA437);