#310b13
a deep, vivid red · warm · closest name: black
RGB
49, 11, 19
HSL
347°, 63%, 12%
CMYK
0, 78, 61, 81
Luminance
0.0094
Every format
| HEX | #310b13 |
| RGB | rgb(49, 11, 19) |
| HSL | hsl(347, 63%, 12%) |
| CMYK | cmyk(0%, 78%, 61%, 81%) |
| LAB | lab(8.5 20.0 4.3) |
| LCH | lch(8.5 20.5 12.2) |
| OKLCH | oklch(0.219 0.062 11.2) |
Copy-ready code
/* CSS */
color: #310b13;
background-color: #310b13;
/* Tailwind (arbitrary) */
class="text-[#310b13] bg-[#310b13]"
/* SCSS */
$brand: #310b13;
/* SwiftUI */
Color(red: 0.192, green: 0.043, blue: 0.075)
/* Android */
Color.parseColor("#310b13")Accessibility — WCAG contrast
Aa
#310b13 on white: 17.68:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#310b13 on black: 1.19:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red19.2%
Green4.3%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta77.6%
Yellow61.2%
Key (black)80.8%
Color previews
#310b13 text on a black background
contrast 1.19:1
Card sample
#310b13 text on a white background
contrast 17.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #310b13;
Background color
Panel with #310b13 background
background-color: #310b13;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #310b13;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(49, 11, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(49, 11, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #310b13; background: linear-gradient(135deg, #310b13, #311C0B);