#990021
a dark, electric red · warm · closest name: firebrick
RGB
153, 0, 33
HSL
347°, 100%, 30%
CMYK
0, 100, 78, 40
Luminance
0.0688
Every format
| HEX | #990021 |
| RGB | rgb(153, 0, 33) |
| HSL | hsl(347, 100%, 30%) |
| CMYK | cmyk(0%, 100%, 78%, 40%) |
| LAB | lab(31.5 55.4 28.7) |
| LCH | lch(31.5 62.4 27.4) |
| OKLCH | oklch(0.431 0.174 21.4) |
Copy-ready code
/* CSS */
color: #990021;
background-color: #990021;
/* Tailwind (arbitrary) */
class="text-[#990021] bg-[#990021]"
/* SCSS */
$brand: #990021;
/* SwiftUI */
Color(red: 0.600, green: 0.000, blue: 0.129)
/* Android */
Color.parseColor("#990021")Accessibility — WCAG contrast
Aa
#990021 on white: 8.84:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#990021 on black: 2.38:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red60.0%
Green0.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow78.4%
Key (black)40.0%
Color previews
#990021 text on a black background
contrast 2.38:1
Card sample
#990021 text on a white background
contrast 8.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #990021;
Background color
Panel with #990021 background
background-color: #990021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #990021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(153, 0, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(153, 0, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #990021; background: linear-gradient(135deg, #990021, #994500);