#00c9df
a dark, electric cyan · cool · closest name: skyblue
RGB
0, 201, 223
HSL
186°, 100%, 44%
CMYK
100, 10, 0, 13
Luminance
0.4710
Every format
| HEX | #00c9df |
| RGB | rgb(0, 201, 223) |
| HSL | hsl(186, 100%, 44%) |
| CMYK | cmyk(100%, 10%, 0%, 13%) |
| LAB | lab(74.3 -33.4 -22.6) |
| LCH | lch(74.3 40.3 214.2) |
| OKLCH | oklch(0.765 0.132 208.7) |
Copy-ready code
/* CSS */
color: #00c9df;
background-color: #00c9df;
/* Tailwind (arbitrary) */
class="text-[#00c9df] bg-[#00c9df]"
/* SCSS */
$brand: #00c9df;
/* SwiftUI */
Color(red: 0.000, green: 0.788, blue: 0.875)
/* Android */
Color.parseColor("#00c9df")Accessibility — WCAG contrast
Aa
#00c9df on white: 2.02:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#00c9df on black: 10.42:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green78.8%
Blue87.5%
CMYK percentages
Cyan100.0%
Magenta9.9%
Yellow0.0%
Key (black)12.5%
Color previews
#00c9df text on a black background
contrast 10.42:1
Card sample
#00c9df text on a white background
contrast 2.02:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #00c9df;
Background color
Panel with #00c9df background
background-color: #00c9df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #00c9df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 201, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 201, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #00c9df; background: linear-gradient(135deg, #00c9df, #0034DF);