#031521
a deep, electric blue · cool · closest name: black
RGB
3, 21, 33
HSL
204°, 83%, 7%
CMYK
91, 36, 0, 87
Luminance
0.0067
Every format
| HEX | #031521 |
| RGB | rgb(3, 21, 33) |
| HSL | hsl(204, 83%, 7%) |
| CMYK | cmyk(91%, 36%, 0%, 87%) |
| LAB | lab(6.0 -2.1 -10.4) |
| LCH | lch(6.0 10.6 258.4) |
| OKLCH | oklch(0.187 0.035 238.8) |
Copy-ready code
/* CSS */
color: #031521;
background-color: #031521;
/* Tailwind (arbitrary) */
class="text-[#031521] bg-[#031521]"
/* SCSS */
$brand: #031521;
/* SwiftUI */
Color(red: 0.012, green: 0.082, blue: 0.129)
/* Android */
Color.parseColor("#031521")Accessibility — WCAG contrast
Aa
#031521 on white: 18.53:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#031521 on black: 1.13:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green8.2%
Blue12.9%
CMYK percentages
Cyan90.9%
Magenta36.4%
Yellow0.0%
Key (black)87.1%
Color previews
#031521 text on a black background
contrast 1.13:1
Card sample
#031521 text on a white background
contrast 18.53:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #031521;
Background color
Panel with #031521 background
background-color: #031521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #031521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 21, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 21, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #031521; background: linear-gradient(135deg, #031521, #050321);