#00566d
a deep, electric cyan · cool · closest name: darkslategray
RGB
0, 86, 109
HSL
193°, 100%, 21%
CMYK
100, 21, 0, 57
Luminance
0.0776
Every format
| HEX | #00566d |
| RGB | rgb(0, 86, 109) |
| HSL | hsl(193, 100%, 21%) |
| CMYK | cmyk(100%, 21%, 0%, 57%) |
| LAB | lab(33.5 -13.2 -19.4) |
| LCH | lch(33.5 23.5 235.8) |
| OKLCH | oklch(0.421 0.079 223.9) |
Copy-ready code
/* CSS */
color: #00566d;
background-color: #00566d;
/* Tailwind (arbitrary) */
class="text-[#00566d] bg-[#00566d]"
/* SCSS */
$brand: #00566d;
/* SwiftUI */
Color(red: 0.000, green: 0.337, blue: 0.427)
/* Android */
Color.parseColor("#00566d")Accessibility — WCAG contrast
Aa
#00566d on white: 8.23:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#00566d on black: 2.55:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green33.7%
Blue42.7%
CMYK percentages
Cyan100.0%
Magenta21.1%
Yellow0.0%
Key (black)57.3%
Color previews
#00566d text on a black background
contrast 2.55:1
Card sample
#00566d text on a white background
contrast 8.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #00566d;
Background color
Panel with #00566d background
background-color: #00566d;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #00566d;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 86, 109, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 86, 109, 0.45);
Border & gradient
Gradient panel
border: 3px solid #00566d; background: linear-gradient(135deg, #00566d, #000D6D);