#001f21
a deep, electric cyan · cool · closest name: black
RGB
0, 31, 33
HSL
184°, 100%, 7%
CMYK
100, 6, 0, 87
Luminance
0.0109
Every format
| HEX | #001f21 |
| RGB | rgb(0, 31, 33) |
| HSL | hsl(184, 100%, 7%) |
| CMYK | cmyk(100%, 6%, 0%, 87%) |
| LAB | lab(9.7 -10.6 -4.7) |
| LCH | lch(9.7 11.6 204.1) |
| OKLCH | oklch(0.218 0.037 200.9) |
Copy-ready code
/* CSS */
color: #001f21;
background-color: #001f21;
/* Tailwind (arbitrary) */
class="text-[#001f21] bg-[#001f21]"
/* SCSS */
$brand: #001f21;
/* SwiftUI */
Color(red: 0.000, green: 0.122, blue: 0.129)
/* Android */
Color.parseColor("#001f21")Accessibility — WCAG contrast
Aa
#001f21 on white: 17.24:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#001f21 on black: 1.22:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green12.2%
Blue12.9%
CMYK percentages
Cyan100.0%
Magenta6.1%
Yellow0.0%
Key (black)87.1%
Color previews
#001f21 text on a black background
contrast 1.22:1
Card sample
#001f21 text on a white background
contrast 17.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #001f21;
Background color
Panel with #001f21 background
background-color: #001f21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #001f21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 31, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 31, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #001f21; background: linear-gradient(135deg, #001f21, #000921);