#3f0803
a deep, electric red · warm · closest name: black
RGB
63, 8, 3
HSL
5°, 91%, 13%
CMYK
0, 87, 95, 75
Luminance
0.0124
Every format
| HEX | #3f0803 |
| RGB | rgb(63, 8, 3) |
| HSL | hsl(5, 91%, 13%) |
| CMYK | cmyk(0%, 87%, 95%, 75%) |
| LAB | lab(10.8 25.8 15.7) |
| LCH | lch(10.8 30.2 31.2) |
| OKLCH | oklch(0.241 0.085 31.1) |
Copy-ready code
/* CSS */
color: #3f0803;
background-color: #3f0803;
/* Tailwind (arbitrary) */
class="text-[#3f0803] bg-[#3f0803]"
/* SCSS */
$brand: #3f0803;
/* SwiftUI */
Color(red: 0.247, green: 0.031, blue: 0.012)
/* Android */
Color.parseColor("#3f0803")Accessibility — WCAG contrast
Aa
#3f0803 on white: 16.84:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f0803 on black: 1.25:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green3.1%
Blue1.2%
CMYK percentages
Cyan0.0%
Magenta87.3%
Yellow95.2%
Key (black)75.3%
Color previews
#3f0803 text on a black background
contrast 1.25:1
Card sample
#3f0803 text on a white background
contrast 16.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f0803;
Background color
Panel with #3f0803 background
background-color: #3f0803;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f0803;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 8, 3, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 8, 3, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f0803; background: linear-gradient(135deg, #3f0803, #3F3003);