#e70310
a balanced, electric red · warm · closest name: red
RGB
231, 3, 16
HSL
357°, 97%, 46%
CMYK
0, 99, 93, 9
Luminance
0.1709
Every format
| HEX | #e70310 |
| RGB | rgb(231, 3, 16) |
| HSL | hsl(357, 97%, 46%) |
| CMYK | cmyk(0%, 99%, 93%, 9%) |
| LAB | lab(48.4 74.2 57.8) |
| LCH | lch(48.4 94.1 37.9) |
| OKLCH | oklch(0.584 0.238 28.2) |
Copy-ready code
/* CSS */
color: #e70310;
background-color: #e70310;
/* Tailwind (arbitrary) */
class="text-[#e70310] bg-[#e70310]"
/* SCSS */
$brand: #e70310;
/* SwiftUI */
Color(red: 0.906, green: 0.012, blue: 0.063)
/* Android */
Color.parseColor("#e70310")Accessibility — WCAG contrast
Aa
#e70310 on white: 4.75:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#e70310 on black: 4.42:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red90.6%
Green1.2%
Blue6.3%
CMYK percentages
Cyan0.0%
Magenta98.7%
Yellow93.1%
Key (black)9.4%
Color previews
#e70310 text on a black background
contrast 4.42:1
Card sample
#e70310 text on a white background
contrast 4.75:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #e70310;
Background color
Panel with #e70310 background
background-color: #e70310;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #e70310;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(231, 3, 16, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(231, 3, 16, 0.45);
Border & gradient
Gradient panel
border: 3px solid #e70310; background: linear-gradient(135deg, #e70310, #E78E03);