#031721
a deep, electric blue · cool · closest name: black
RGB
3, 23, 33
HSL
200°, 83%, 7%
CMYK
91, 30, 0, 87
Luminance
0.0074
Every format
| HEX | #031721 |
| RGB | rgb(3, 23, 33) |
| HSL | hsl(200, 83%, 7%) |
| CMYK | cmyk(91%, 30%, 0%, 87%) |
| LAB | lab(6.7 -3.6 -9.3) |
| LCH | lch(6.7 10.0 249.1) |
| OKLCH | oklch(0.193 0.034 231.8) |
Copy-ready code
/* CSS */
color: #031721;
background-color: #031721;
/* Tailwind (arbitrary) */
class="text-[#031721] bg-[#031721]"
/* SCSS */
$brand: #031721;
/* SwiftUI */
Color(red: 0.012, green: 0.090, blue: 0.129)
/* Android */
Color.parseColor("#031721")Accessibility — WCAG contrast
Aa
#031721 on white: 18.29:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#031721 on black: 1.15:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green9.0%
Blue12.9%
CMYK percentages
Cyan90.9%
Magenta30.3%
Yellow0.0%
Key (black)87.1%
Color previews
#031721 text on a black background
contrast 1.15:1
Card sample
#031721 text on a white background
contrast 18.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #031721;
Background color
Panel with #031721 background
background-color: #031721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #031721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 23, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 23, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #031721; background: linear-gradient(135deg, #031721, #030321);