#ff3a3f
a balanced, electric red · warm · closest name: crimson
RGB
255, 58, 63
HSL
359°, 100%, 61%
CMYK
0, 77, 75, 0
Luminance
0.2464
Every format
| HEX | #ff3a3f |
| RGB | rgb(255, 58, 63) |
| HSL | hsl(359, 100%, 61%) |
| CMYK | cmyk(0%, 77%, 75%, 0%) |
| LAB | lab(56.7 72.3 44.7) |
| LCH | lch(56.7 85.0 31.7) |
| OKLCH | oklch(0.655 0.231 25.3) |
Copy-ready code
/* CSS */
color: #ff3a3f;
background-color: #ff3a3f;
/* Tailwind (arbitrary) */
class="text-[#ff3a3f] bg-[#ff3a3f]"
/* SCSS */
$brand: #ff3a3f;
/* SwiftUI */
Color(red: 1.000, green: 0.227, blue: 0.247)
/* Android */
Color.parseColor("#ff3a3f")Accessibility — WCAG contrast
Aa
#ff3a3f on white: 3.54:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff3a3f on black: 5.93:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green22.7%
Blue24.7%
CMYK percentages
Cyan0.0%
Magenta77.3%
Yellow75.3%
Key (black)0.0%
Color previews
#ff3a3f text on a black background
contrast 5.93:1
Card sample
#ff3a3f text on a white background
contrast 3.54:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff3a3f;
Background color
Panel with #ff3a3f background
background-color: #ff3a3f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff3a3f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 58, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 58, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff3a3f; background: linear-gradient(135deg, #ff3a3f, #FFB83A);