#030a21
a deep, electric blue · warm · closest name: black
RGB
3, 10, 33
HSL
226°, 83%, 7%
CMYK
91, 70, 0, 87
Luminance
0.0035
Every format
| HEX | #030a21 |
| RGB | rgb(3, 10, 33) |
| HSL | hsl(226, 83%, 7%) |
| CMYK | cmyk(91%, 70%, 0%, 87%) |
| LAB | lab(3.1 3.8 -14.8) |
| LCH | lch(3.1 15.3 284.2) |
| OKLCH | oklch(0.154 0.051 264.3) |
Copy-ready code
/* CSS */
color: #030a21;
background-color: #030a21;
/* Tailwind (arbitrary) */
class="text-[#030a21] bg-[#030a21]"
/* SCSS */
$brand: #030a21;
/* SwiftUI */
Color(red: 0.012, green: 0.039, blue: 0.129)
/* Android */
Color.parseColor("#030a21")Accessibility — WCAG contrast
Aa
#030a21 on white: 19.64:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#030a21 on black: 1.07:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green3.9%
Blue12.9%
CMYK percentages
Cyan90.9%
Magenta69.7%
Yellow0.0%
Key (black)87.1%
Color previews
#030a21 text on a black background
contrast 1.07:1
Card sample
#030a21 text on a white background
contrast 19.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #030a21;
Background color
Panel with #030a21 background
background-color: #030a21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #030a21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 10, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 10, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #030a21; background: linear-gradient(135deg, #030a21, #100321);