#3b181f
a deep, soft red · warm · closest name: black
RGB
59, 24, 31
HSL
348°, 42%, 16%
CMYK
0, 59, 48, 77
Luminance
0.0168
Every format
| HEX | #3b181f |
| RGB | rgb(59, 24, 31) |
| HSL | hsl(348, 42%, 16%) |
| CMYK | cmyk(0%, 59%, 48%, 77%) |
| LAB | lab(13.7 18.1 3.4) |
| LCH | lch(13.7 18.4 10.5) |
| OKLCH | oklch(0.263 0.056 9.1) |
Copy-ready code
/* CSS */
color: #3b181f;
background-color: #3b181f;
/* Tailwind (arbitrary) */
class="text-[#3b181f] bg-[#3b181f]"
/* SCSS */
$brand: #3b181f;
/* SwiftUI */
Color(red: 0.231, green: 0.094, blue: 0.122)
/* Android */
Color.parseColor("#3b181f")Accessibility — WCAG contrast
Aa
#3b181f on white: 15.71:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3b181f on black: 1.34:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red23.1%
Green9.4%
Blue12.2%
CMYK percentages
Cyan0.0%
Magenta59.3%
Yellow47.5%
Key (black)76.9%
Color previews
#3b181f text on a black background
contrast 1.34:1
Card sample
#3b181f text on a white background
contrast 15.71:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3b181f;
Background color
Panel with #3b181f background
background-color: #3b181f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3b181f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(59, 24, 31, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(59, 24, 31, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3b181f; background: linear-gradient(135deg, #3b181f, #3B2818);