#010421
a deep, electric blue · warm · closest name: black
RGB
1, 4, 33
HSL
234°, 94%, 7%
CMYK
97, 88, 0, 87
Luminance
0.0020
Every format
| HEX | #010421 |
| RGB | rgb(1, 4, 33) |
| HSL | hsl(234, 94%, 7%) |
| CMYK | cmyk(97%, 88%, 0%, 87%) |
| LAB | lab(1.8 5.6 -16.8) |
| LCH | lch(1.8 17.7 288.6) |
| OKLCH | oklch(0.132 0.065 266.1) |
Copy-ready code
/* CSS */
color: #010421;
background-color: #010421;
/* Tailwind (arbitrary) */
class="text-[#010421] bg-[#010421]"
/* SCSS */
$brand: #010421;
/* SwiftUI */
Color(red: 0.004, green: 0.016, blue: 0.129)
/* Android */
Color.parseColor("#010421")Accessibility — WCAG contrast
Aa
#010421 on white: 20.18:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#010421 on black: 1.04:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.4%
Green1.6%
Blue12.9%
CMYK percentages
Cyan97.0%
Magenta87.9%
Yellow0.0%
Key (black)87.1%
Color previews
#010421 text on a black background
contrast 1.04:1
Card sample
#010421 text on a white background
contrast 20.18:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #010421;
Background color
Panel with #010421 background
background-color: #010421;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #010421;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(1, 4, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(1, 4, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #010421; background: linear-gradient(135deg, #010421, #130121);