#990a21
a dark, electric red · warm · closest name: firebrick
RGB
153, 10, 33
HSL
350°, 88%, 32%
CMYK
0, 94, 78, 40
Luminance
0.0710
Every format
| HEX | #990a21 |
| RGB | rgb(153, 10, 33) |
| HSL | hsl(350, 88%, 32%) |
| CMYK | cmyk(0%, 94%, 78%, 40%) |
| LAB | lab(32.0 54.0 29.2) |
| LCH | lch(32.0 61.4 28.4) |
| OKLCH | oklch(0.435 0.170 22.3) |
Copy-ready code
/* CSS */
color: #990a21;
background-color: #990a21;
/* Tailwind (arbitrary) */
class="text-[#990a21] bg-[#990a21]"
/* SCSS */
$brand: #990a21;
/* SwiftUI */
Color(red: 0.600, green: 0.039, blue: 0.129)
/* Android */
Color.parseColor("#990a21")Accessibility — WCAG contrast
Aa
#990a21 on white: 8.68:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#990a21 on black: 2.42:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red60.0%
Green3.9%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta93.5%
Yellow78.4%
Key (black)40.0%
Color previews
#990a21 text on a black background
contrast 2.42:1
Card sample
#990a21 text on a white background
contrast 8.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #990a21;
Background color
Panel with #990a21 background
background-color: #990a21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #990a21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(153, 10, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(153, 10, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #990a21; background: linear-gradient(135deg, #990a21, #99520A);