#101521
a deep, soft blue · cool · closest name: black
RGB
16, 21, 33
HSL
222°, 35%, 10%
CMYK
52, 36, 0, 87
Luminance
0.0076
Every format
| HEX | #101521 |
| RGB | rgb(16, 21, 33) |
| HSL | hsl(222, 35%, 10%) |
| CMYK | cmyk(52%, 36%, 0%, 87%) |
| LAB | lab(6.8 1.5 -9.1) |
| LCH | lch(6.8 9.2 279.7) |
| OKLCH | oklch(0.197 0.025 266.7) |
Copy-ready code
/* CSS */
color: #101521;
background-color: #101521;
/* Tailwind (arbitrary) */
class="text-[#101521] bg-[#101521]"
/* SCSS */
$brand: #101521;
/* SwiftUI */
Color(red: 0.063, green: 0.082, blue: 0.129)
/* Android */
Color.parseColor("#101521")Accessibility — WCAG contrast
Aa
#101521 on white: 18.24:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#101521 on black: 1.15:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red6.3%
Green8.2%
Blue12.9%
CMYK percentages
Cyan51.5%
Magenta36.4%
Yellow0.0%
Key (black)87.1%
Color previews
#101521 text on a black background
contrast 1.15:1
Card sample
#101521 text on a white background
contrast 18.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #101521;
Background color
Panel with #101521 background
background-color: #101521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #101521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(16, 21, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(16, 21, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #101521; background: linear-gradient(135deg, #101521, #161021);