#010f21
a deep, electric blue · cool · closest name: black
RGB
1, 15, 33
HSL
214°, 94%, 7%
CMYK
97, 55, 0, 87
Luminance
0.0046
Every format
| HEX | #010f21 |
| RGB | rgb(1, 15, 33) |
| HSL | hsl(214, 94%, 7%) |
| CMYK | cmyk(97%, 55%, 0%, 87%) |
| LAB | lab(4.1 0.9 -13.3) |
| LCH | lch(4.1 13.3 274.0) |
| OKLCH | oklch(0.166 0.045 251.2) |
Copy-ready code
/* CSS */
color: #010f21;
background-color: #010f21;
/* Tailwind (arbitrary) */
class="text-[#010f21] bg-[#010f21]"
/* SCSS */
$brand: #010f21;
/* SwiftUI */
Color(red: 0.004, green: 0.059, blue: 0.129)
/* Android */
Color.parseColor("#010f21")Accessibility — WCAG contrast
Aa
#010f21 on white: 19.24:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#010f21 on black: 1.09:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.4%
Green5.9%
Blue12.9%
CMYK percentages
Cyan97.0%
Magenta54.5%
Yellow0.0%
Key (black)87.1%
Color previews
#010f21 text on a black background
contrast 1.09:1
Card sample
#010f21 text on a white background
contrast 19.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #010f21;
Background color
Panel with #010f21 background
background-color: #010f21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #010f21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(1, 15, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(1, 15, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #010f21; background: linear-gradient(135deg, #010f21, #080121);