#170b21
a deep, vivid violet · warm · closest name: black
RGB
23, 11, 33
HSL
273°, 50%, 9%
CMYK
30, 67, 0, 87
Luminance
0.0053
Every format
| HEX | #170b21 |
| RGB | rgb(23, 11, 33) |
| HSL | hsl(273, 50%, 9%) |
| CMYK | cmyk(30%, 67%, 0%, 87%) |
| LAB | lab(4.8 9.9 -12.1) |
| LCH | lch(4.8 15.7 309.4) |
| OKLCH | oklch(0.179 0.046 307.6) |
Copy-ready code
/* CSS */
color: #170b21;
background-color: #170b21;
/* Tailwind (arbitrary) */
class="text-[#170b21] bg-[#170b21]"
/* SCSS */
$brand: #170b21;
/* SwiftUI */
Color(red: 0.090, green: 0.043, blue: 0.129)
/* Android */
Color.parseColor("#170b21")Accessibility — WCAG contrast
Aa
#170b21 on white: 18.98:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#170b21 on black: 1.11:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green4.3%
Blue12.9%
CMYK percentages
Cyan30.3%
Magenta66.7%
Yellow0.0%
Key (black)87.1%
Color previews
#170b21 text on a black background
contrast 1.11:1
Card sample
#170b21 text on a white background
contrast 18.98:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #170b21;
Background color
Panel with #170b21 background
background-color: #170b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #170b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 11, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 11, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #170b21; background: linear-gradient(135deg, #170b21, #210B1C);