#101c21
a deep, soft cyan · cool · closest name: black
RGB
16, 28, 33
HSL
198°, 35%, 10%
CMYK
52, 15, 0, 87
Luminance
0.0105
Every format
| HEX | #101c21 |
| RGB | rgb(16, 28, 33) |
| HSL | hsl(198, 35%, 10%) |
| CMYK | cmyk(52%, 15%, 0%, 87%) |
| LAB | lab(9.4 -3.6 -5.1) |
| LCH | lch(9.4 6.3 235.0) |
| OKLCH | oklch(0.218 0.020 225.9) |
Copy-ready code
/* CSS */
color: #101c21;
background-color: #101c21;
/* Tailwind (arbitrary) */
class="text-[#101c21] bg-[#101c21]"
/* SCSS */
$brand: #101c21;
/* SwiftUI */
Color(red: 0.063, green: 0.110, blue: 0.129)
/* Android */
Color.parseColor("#101c21")Accessibility — WCAG contrast
Aa
#101c21 on white: 17.35:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#101c21 on black: 1.21:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red6.3%
Green11.0%
Blue12.9%
CMYK percentages
Cyan51.5%
Magenta15.2%
Yellow0.0%
Key (black)87.1%
Color previews
#101c21 text on a black background
contrast 1.21:1
Card sample
#101c21 text on a white background
contrast 17.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #101c21;
Background color
Panel with #101c21 background
background-color: #101c21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #101c21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(16, 28, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(16, 28, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #101c21; background: linear-gradient(135deg, #101c21, #101121);