#030b21
a deep, electric blue · cool · closest name: black
RGB
3, 11, 33
HSL
224°, 83%, 7%
CMYK
91, 67, 0, 87
Luminance
0.0037
Every format
| HEX | #030b21 |
| RGB | rgb(3, 11, 33) |
| HSL | hsl(224, 83%, 7%) |
| CMYK | cmyk(91%, 67%, 0%, 87%) |
| LAB | lab(3.3 3.3 -14.5) |
| LCH | lch(3.3 14.9 283.0) |
| OKLCH | oklch(0.156 0.049 262.9) |
Copy-ready code
/* CSS */
color: #030b21;
background-color: #030b21;
/* Tailwind (arbitrary) */
class="text-[#030b21] bg-[#030b21]"
/* SCSS */
$brand: #030b21;
/* SwiftUI */
Color(red: 0.012, green: 0.043, blue: 0.129)
/* Android */
Color.parseColor("#030b21")Accessibility — WCAG contrast
Aa
#030b21 on white: 19.56:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#030b21 on black: 1.07:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green4.3%
Blue12.9%
CMYK percentages
Cyan90.9%
Magenta66.7%
Yellow0.0%
Key (black)87.1%
Color previews
#030b21 text on a black background
contrast 1.07:1
Card sample
#030b21 text on a white background
contrast 19.56:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #030b21;
Background color
Panel with #030b21 background
background-color: #030b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #030b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 11, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 11, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #030b21; background: linear-gradient(135deg, #030b21, #0F0321);