#400310
a deep, electric red · warm · closest name: black
RGB
64, 3, 16
HSL
347°, 91%, 13%
CMYK
0, 95, 75, 75
Luminance
0.0119
Every format
| HEX | #400310 |
| RGB | rgb(64, 3, 16) |
| HSL | hsl(347, 91%, 13%) |
| CMYK | cmyk(0%, 95%, 75%, 75%) |
| LAB | lab(10.5 29.1 9.5) |
| LCH | lch(10.5 30.6 18.1) |
| OKLCH | oklch(0.240 0.090 15.8) |
Copy-ready code
/* CSS */
color: #400310;
background-color: #400310;
/* Tailwind (arbitrary) */
class="text-[#400310] bg-[#400310]"
/* SCSS */
$brand: #400310;
/* SwiftUI */
Color(red: 0.251, green: 0.012, blue: 0.063)
/* Android */
Color.parseColor("#400310")Accessibility — WCAG contrast
Aa
#400310 on white: 16.96:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#400310 on black: 1.24:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green1.2%
Blue6.3%
CMYK percentages
Cyan0.0%
Magenta95.3%
Yellow75.0%
Key (black)74.9%
Color previews
#400310 text on a black background
contrast 1.24:1
Card sample
#400310 text on a white background
contrast 16.96:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #400310;
Background color
Panel with #400310 background
background-color: #400310;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #400310;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 3, 16, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 3, 16, 0.45);
Border & gradient
Gradient panel
border: 3px solid #400310; background: linear-gradient(135deg, #400310, #401F03);