#01001b
a deep, electric blue · warm · closest name: black
RGB
1, 0, 27
HSL
242°, 100%, 5%
CMYK
96, 100, 0, 89
Luminance
0.0009
Every format
| HEX | #01001b |
| RGB | rgb(1, 0, 27) |
| HSL | hsl(242, 100%, 5%) |
| CMYK | cmyk(96%, 100%, 0%, 89%) |
| LAB | lab(0.8 5.3 -13.5) |
| LCH | lch(0.8 14.5 291.3) |
| OKLCH | oklch(0.103 0.068 269.7) |
Copy-ready code
/* CSS */
color: #01001b;
background-color: #01001b;
/* Tailwind (arbitrary) */
class="text-[#01001b] bg-[#01001b]"
/* SCSS */
$brand: #01001b;
/* SwiftUI */
Color(red: 0.004, green: 0.000, blue: 0.106)
/* Android */
Color.parseColor("#01001b")Accessibility — WCAG contrast
Aa
#01001b on white: 20.65:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#01001b on black: 1.02:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.4%
Green0.0%
Blue10.6%
CMYK percentages
Cyan96.3%
Magenta100.0%
Yellow0.0%
Key (black)89.4%
Color previews
#01001b text on a black background
contrast 1.02:1
Card sample
#01001b text on a white background
contrast 20.65:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #01001b;
Background color
Panel with #01001b background
background-color: #01001b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #01001b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(1, 0, 27, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(1, 0, 27, 0.45);
Border & gradient
Gradient panel
border: 3px solid #01001b; background: linear-gradient(135deg, #01001b, #13001B);