#170421
a deep, electric violet · warm · closest name: black
RGB
23, 4, 33
HSL
279°, 78%, 7%
CMYK
30, 88, 0, 87
Luminance
0.0038
Every format
| HEX | #170421 |
| RGB | rgb(23, 4, 33) |
| HSL | hsl(279, 78%, 7%) |
| CMYK | cmyk(30%, 88%, 0%, 87%) |
| LAB | lab(3.4 12.8 -14.2) |
| LCH | lch(3.4 19.1 311.9) |
| OKLCH | oklch(0.164 0.063 312.4) |
Copy-ready code
/* CSS */
color: #170421;
background-color: #170421;
/* Tailwind (arbitrary) */
class="text-[#170421] bg-[#170421]"
/* SCSS */
$brand: #170421;
/* SwiftUI */
Color(red: 0.090, green: 0.016, blue: 0.129)
/* Android */
Color.parseColor("#170421")Accessibility — WCAG contrast
Aa
#170421 on white: 19.52:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#170421 on black: 1.08:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green1.6%
Blue12.9%
CMYK percentages
Cyan30.3%
Magenta87.9%
Yellow0.0%
Key (black)87.1%
Color previews
#170421 text on a black background
contrast 1.08:1
Card sample
#170421 text on a white background
contrast 19.52:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #170421;
Background color
Panel with #170421 background
background-color: #170421;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #170421;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 4, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 4, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #170421; background: linear-gradient(135deg, #170421, #210418);