#870310
a dark, electric red · warm · closest name: maroon
RGB
135, 3, 16
HSL
354°, 96%, 27%
CMYK
0, 98, 88, 47
Luminance
0.0525
Every format
| HEX | #870310 |
| RGB | rgb(135, 3, 16) |
| HSL | hsl(354, 96%, 27%) |
| CMYK | cmyk(0%, 98%, 88%, 47%) |
| LAB | lab(27.4 49.7 33.4) |
| LCH | lch(27.4 59.9 33.9) |
| OKLCH | oklch(0.394 0.158 25.9) |
Copy-ready code
/* CSS */
color: #870310;
background-color: #870310;
/* Tailwind (arbitrary) */
class="text-[#870310] bg-[#870310]"
/* SCSS */
$brand: #870310;
/* SwiftUI */
Color(red: 0.529, green: 0.012, blue: 0.063)
/* Android */
Color.parseColor("#870310")Accessibility — WCAG contrast
Aa
#870310 on white: 10.24:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#870310 on black: 2.05:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red52.9%
Green1.2%
Blue6.3%
CMYK percentages
Cyan0.0%
Magenta97.8%
Yellow88.1%
Key (black)47.1%
Color previews
#870310 text on a black background
contrast 2.05:1
Card sample
#870310 text on a white background
contrast 10.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #870310;
Background color
Panel with #870310 background
background-color: #870310;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #870310;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(135, 3, 16, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(135, 3, 16, 0.45);
Border & gradient
Gradient panel
border: 3px solid #870310; background: linear-gradient(135deg, #870310, #874E03);