#171a21
a deep, soft blue · cool · closest name: black
RGB
23, 26, 33
HSL
222°, 18%, 11%
CMYK
30, 21, 0, 87
Luminance
0.0103
Every format
| HEX | #171a21 |
| RGB | rgb(23, 26, 33) |
| HSL | hsl(222, 18%, 11%) |
| CMYK | cmyk(30%, 21%, 0%, 87%) |
| LAB | lab(9.2 0.6 -5.3) |
| LCH | lch(9.2 5.3 276.9) |
| OKLCH | oklch(0.218 0.015 266.9) |
Copy-ready code
/* CSS */
color: #171a21;
background-color: #171a21;
/* Tailwind (arbitrary) */
class="text-[#171a21] bg-[#171a21]"
/* SCSS */
$brand: #171a21;
/* SwiftUI */
Color(red: 0.090, green: 0.102, blue: 0.129)
/* Android */
Color.parseColor("#171a21")Accessibility — WCAG contrast
Aa
#171a21 on white: 17.41:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#171a21 on black: 1.21:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green10.2%
Blue12.9%
CMYK percentages
Cyan30.3%
Magenta21.2%
Yellow0.0%
Key (black)87.1%
Color previews
#171a21 text on a black background
contrast 1.21:1
Card sample
#171a21 text on a white background
contrast 17.41:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #171a21;
Background color
Panel with #171a21 background
background-color: #171a21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #171a21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 26, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 26, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #171a21; background: linear-gradient(135deg, #171a21, #1B1721);