#010021
a deep, electric blue · warm · closest name: black
RGB
1, 0, 33
HSL
242°, 100%, 7%
CMYK
97, 100, 0, 87
Luminance
0.0012
Every format
| HEX | #010021 |
| RGB | rgb(1, 0, 33) |
| HSL | hsl(242, 100%, 7%) |
| CMYK | cmyk(97%, 100%, 0%, 87%) |
| LAB | lab(1.1 7.2 -18.0) |
| LCH | lch(1.1 19.4 291.9) |
| OKLCH | oklch(0.114 0.076 268.2) |
Copy-ready code
/* CSS */
color: #010021;
background-color: #010021;
/* Tailwind (arbitrary) */
class="text-[#010021] bg-[#010021]"
/* SCSS */
$brand: #010021;
/* SwiftUI */
Color(red: 0.004, green: 0.000, blue: 0.129)
/* Android */
Color.parseColor("#010021")Accessibility — WCAG contrast
Aa
#010021 on white: 20.52:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#010021 on black: 1.02:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.4%
Green0.0%
Blue12.9%
CMYK percentages
Cyan97.0%
Magenta100.0%
Yellow0.0%
Key (black)87.1%
Color previews
#010021 text on a black background
contrast 1.02:1
Card sample
#010021 text on a white background
contrast 20.52:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #010021;
Background color
Panel with #010021 background
background-color: #010021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #010021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(1, 0, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(1, 0, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #010021; background: linear-gradient(135deg, #010021, #170021);