#31100c
a deep, vivid red · warm · closest name: black
RGB
49, 16, 12
HSL
7°, 61%, 12%
CMYK
0, 67, 76, 81
Luminance
0.0105
Every format
| HEX | #31100c |
| RGB | rgb(49, 16, 12) |
| HSL | hsl(7, 61%, 12%) |
| CMYK | cmyk(0%, 67%, 76%, 81%) |
| LAB | lab(9.4 16.4 9.5) |
| LCH | lch(9.4 19.0 30.0) |
| OKLCH | oklch(0.225 0.055 29.1) |
Copy-ready code
/* CSS */
color: #31100c;
background-color: #31100c;
/* Tailwind (arbitrary) */
class="text-[#31100c] bg-[#31100c]"
/* SCSS */
$brand: #31100c;
/* SwiftUI */
Color(red: 0.192, green: 0.063, blue: 0.047)
/* Android */
Color.parseColor("#31100c")Accessibility — WCAG contrast
Aa
#31100c on white: 17.36:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#31100c on black: 1.21:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red19.2%
Green6.3%
Blue4.7%
CMYK percentages
Cyan0.0%
Magenta67.3%
Yellow75.5%
Key (black)80.8%
Color previews
#31100c text on a black background
contrast 1.21:1
Card sample
#31100c text on a white background
contrast 17.36:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #31100c;
Background color
Panel with #31100c background
background-color: #31100c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #31100c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(49, 16, 12, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(49, 16, 12, 0.45);
Border & gradient
Gradient panel
border: 3px solid #31100c; background: linear-gradient(135deg, #31100c, #31290C);