#03070b
a deep, vivid blue · cool · closest name: black
RGB
3, 7, 11
HSL
210°, 57%, 3%
CMYK
73, 36, 0, 96
Luminance
0.0020
Every format
| HEX | #03070b |
| RGB | rgb(3, 7, 11) |
| HSL | hsl(210, 57%, 3%) |
| CMYK | cmyk(73%, 36%, 0%, 96%) |
| LAB | lab(1.8 -0.5 -1.9) |
| LCH | lch(1.8 1.9 255.5) |
| OKLCH | oklch(0.124 0.014 239.9) |
Copy-ready code
/* CSS */
color: #03070b;
background-color: #03070b;
/* Tailwind (arbitrary) */
class="text-[#03070b] bg-[#03070b]"
/* SCSS */
$brand: #03070b;
/* SwiftUI */
Color(red: 0.012, green: 0.027, blue: 0.043)
/* Android */
Color.parseColor("#03070b")Accessibility — WCAG contrast
Aa
#03070b on white: 20.21:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#03070b on black: 1.04:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green2.7%
Blue4.3%
CMYK percentages
Cyan72.7%
Magenta36.4%
Yellow0.0%
Key (black)95.7%
Color previews
#03070b text on a black background
contrast 1.04:1
Card sample
#03070b text on a white background
contrast 20.21:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #03070b;
Background color
Panel with #03070b background
background-color: #03070b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #03070b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 7, 11, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 7, 11, 0.45);
Border & gradient
Gradient panel
border: 3px solid #03070b; background: linear-gradient(135deg, #03070b, #04030B);