#000a1f
a deep, electric blue · cool · closest name: black
RGB
0, 10, 31
HSL
221°, 100%, 6%
CMYK
100, 68, 0, 88
Luminance
0.0032
Every format
| HEX | #000a1f |
| RGB | rgb(0, 10, 31) |
| HSL | hsl(221, 100%, 6%) |
| CMYK | cmyk(100%, 68%, 0%, 88%) |
| LAB | lab(2.9 2.3 -13.7) |
| LCH | lch(2.9 13.8 279.4) |
| OKLCH | oklch(0.148 0.050 255.7) |
Copy-ready code
/* CSS */
color: #000a1f;
background-color: #000a1f;
/* Tailwind (arbitrary) */
class="text-[#000a1f] bg-[#000a1f]"
/* SCSS */
$brand: #000a1f;
/* SwiftUI */
Color(red: 0.000, green: 0.039, blue: 0.122)
/* Android */
Color.parseColor("#000a1f")Accessibility — WCAG contrast
Aa
#000a1f on white: 19.75:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#000a1f on black: 1.06:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green3.9%
Blue12.2%
CMYK percentages
Cyan100.0%
Magenta67.7%
Yellow0.0%
Key (black)87.8%
Color previews
#000a1f text on a black background
contrast 1.06:1
Card sample
#000a1f text on a white background
contrast 19.75:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #000a1f;
Background color
Panel with #000a1f background
background-color: #000a1f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #000a1f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 10, 31, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 10, 31, 0.45);
Border & gradient
Gradient panel
border: 3px solid #000a1f; background: linear-gradient(135deg, #000a1f, #0B001F);