#b10e29
a dark, electric red · warm · closest name: firebrick
RGB
177, 14, 41
HSL
350°, 85%, 38%
CMYK
0, 92, 77, 31
Luminance
0.0982
Every format
| HEX | #b10e29 |
| RGB | rgb(177, 14, 41) |
| HSL | hsl(350, 85%, 38%) |
| CMYK | cmyk(0%, 92%, 77%, 31%) |
| LAB | lab(37.5 60.0 31.8) |
| LCH | lch(37.5 68.0 27.9) |
| OKLCH | oklch(0.485 0.189 22.0) |
Copy-ready code
/* CSS */
color: #b10e29;
background-color: #b10e29;
/* Tailwind (arbitrary) */
class="text-[#b10e29] bg-[#b10e29]"
/* SCSS */
$brand: #b10e29;
/* SwiftUI */
Color(red: 0.694, green: 0.055, blue: 0.161)
/* Android */
Color.parseColor("#b10e29")Accessibility — WCAG contrast
Aa
#b10e29 on white: 7.08:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#b10e29 on black: 2.96:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red69.4%
Green5.5%
Blue16.1%
CMYK percentages
Cyan0.0%
Magenta92.1%
Yellow76.8%
Key (black)30.6%
Color previews
#b10e29 text on a black background
contrast 2.96:1
Card sample
#b10e29 text on a white background
contrast 7.08:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b10e29;
Background color
Panel with #b10e29 background
background-color: #b10e29;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b10e29;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(177, 14, 41, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(177, 14, 41, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b10e29; background: linear-gradient(135deg, #b10e29, #B1600E);