#001b21
a deep, electric cyan · cool · closest name: black
RGB
0, 27, 33
HSL
191°, 100%, 7%
CMYK
100, 18, 0, 87
Luminance
0.0089
Every format
| HEX | #001b21 |
| RGB | rgb(0, 27, 33) |
| HSL | hsl(191, 100%, 7%) |
| CMYK | cmyk(100%, 18%, 0%, 87%) |
| LAB | lab(8.1 -7.5 -7.2) |
| LCH | lch(8.1 10.4 224.0) |
| OKLCH | oklch(0.204 0.036 214.3) |
Copy-ready code
/* CSS */
color: #001b21;
background-color: #001b21;
/* Tailwind (arbitrary) */
class="text-[#001b21] bg-[#001b21]"
/* SCSS */
$brand: #001b21;
/* SwiftUI */
Color(red: 0.000, green: 0.106, blue: 0.129)
/* Android */
Color.parseColor("#001b21")Accessibility — WCAG contrast
Aa
#001b21 on white: 17.82:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#001b21 on black: 1.18:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green10.6%
Blue12.9%
CMYK percentages
Cyan100.0%
Magenta18.2%
Yellow0.0%
Key (black)87.1%
Color previews
#001b21 text on a black background
contrast 1.18:1
Card sample
#001b21 text on a white background
contrast 17.82:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #001b21;
Background color
Panel with #001b21 background
background-color: #001b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #001b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 27, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 27, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #001b21; background: linear-gradient(135deg, #001b21, #000521);