#180300
a deep, electric red · warm · closest name: black
RGB
24, 3, 0
HSL
8°, 100%, 5%
CMYK
0, 88, 100, 91
Luminance
0.0026
Every format
| HEX | #180300 |
| RGB | rgb(24, 3, 0) |
| HSL | hsl(8, 100%, 5%) |
| CMYK | cmyk(0%, 88%, 100%, 91%) |
| LAB | lab(2.3 6.7 3.6) |
| LCH | lch(2.3 7.6 28.6) |
| OKLCH | oklch(0.142 0.045 39.8) |
Copy-ready code
/* CSS */
color: #180300;
background-color: #180300;
/* Tailwind (arbitrary) */
class="text-[#180300] bg-[#180300]"
/* SCSS */
$brand: #180300;
/* SwiftUI */
Color(red: 0.094, green: 0.012, blue: 0.000)
/* Android */
Color.parseColor("#180300")Accessibility — WCAG contrast
Aa
#180300 on white: 19.96:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#180300 on black: 1.05:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green1.2%
Blue0.0%
CMYK percentages
Cyan0.0%
Magenta87.5%
Yellow100.0%
Key (black)90.6%
Color previews
#180300 text on a black background
contrast 1.05:1
Card sample
#180300 text on a white background
contrast 19.96:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #180300;
Background color
Panel with #180300 background
background-color: #180300;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #180300;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 3, 0, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 3, 0, 0.45);
Border & gradient
Gradient panel
border: 3px solid #180300; background: linear-gradient(135deg, #180300, #181300);