#101f21
a deep, soft cyan · cool · closest name: black
RGB
16, 31, 33
HSL
187°, 35%, 10%
CMYK
52, 6, 0, 87
Luminance
0.0120
Every format
| HEX | #101f21 |
| RGB | rgb(16, 31, 33) |
| HSL | hsl(187, 35%, 10%) |
| CMYK | cmyk(52%, 6%, 0%, 87%) |
| LAB | lab(10.6 -5.7 -3.4) |
| LCH | lch(10.6 6.6 210.7) |
| OKLCH | oklch(0.227 0.021 206.5) |
Copy-ready code
/* CSS */
color: #101f21;
background-color: #101f21;
/* Tailwind (arbitrary) */
class="text-[#101f21] bg-[#101f21]"
/* SCSS */
$brand: #101f21;
/* SwiftUI */
Color(red: 0.063, green: 0.122, blue: 0.129)
/* Android */
Color.parseColor("#101f21")Accessibility — WCAG contrast
Aa
#101f21 on white: 16.94:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#101f21 on black: 1.24:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red6.3%
Green12.2%
Blue12.9%
CMYK percentages
Cyan51.5%
Magenta6.1%
Yellow0.0%
Key (black)87.1%
Color previews
#101f21 text on a black background
contrast 1.24:1
Card sample
#101f21 text on a white background
contrast 16.94:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #101f21;
Background color
Panel with #101f21 background
background-color: #101f21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #101f21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(16, 31, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(16, 31, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #101f21; background: linear-gradient(135deg, #101f21, #101421);