#0a1e21
a deep, vivid cyan · cool · closest name: black
RGB
10, 30, 33
HSL
188°, 54%, 8%
CMYK
70, 9, 0, 87
Luminance
0.0110
Every format
| HEX | #0a1e21 |
| RGB | rgb(10, 30, 33) |
| HSL | hsl(188, 54%, 8%) |
| CMYK | cmyk(70%, 9%, 0%, 87%) |
| LAB | lab(9.8 -7.0 -4.5) |
| LCH | lch(9.8 8.3 213.1) |
| OKLCH | oklch(0.220 0.026 208.3) |
Copy-ready code
/* CSS */
color: #0a1e21;
background-color: #0a1e21;
/* Tailwind (arbitrary) */
class="text-[#0a1e21] bg-[#0a1e21]"
/* SCSS */
$brand: #0a1e21;
/* SwiftUI */
Color(red: 0.039, green: 0.118, blue: 0.129)
/* Android */
Color.parseColor("#0a1e21")Accessibility — WCAG contrast
Aa
#0a1e21 on white: 17.20:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0a1e21 on black: 1.22:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red3.9%
Green11.8%
Blue12.9%
CMYK percentages
Cyan69.7%
Magenta9.1%
Yellow0.0%
Key (black)87.1%
Color previews
#0a1e21 text on a black background
contrast 1.22:1
Card sample
#0a1e21 text on a white background
contrast 17.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0a1e21;
Background color
Panel with #0a1e21 background
background-color: #0a1e21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0a1e21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(10, 30, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(10, 30, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0a1e21; background: linear-gradient(135deg, #0a1e21, #0A0F21);