#00b4db
a dark, electric cyan · cool · closest name: skyblue
RGB
0, 180, 219
HSL
191°, 100%, 43%
CMYK
100, 18, 0, 14
Luminance
0.3776
Every format
| HEX | #00b4db |
| RGB | rgb(0, 180, 219) |
| HSL | hsl(191, 100%, 43%) |
| CMYK | cmyk(100%, 18%, 0%, 14%) |
| LAB | lab(67.8 -24.4 -30.3) |
| LCH | lch(67.8 38.9 231.2) |
| OKLCH | oklch(0.713 0.130 220.7) |
Copy-ready code
/* CSS */
color: #00b4db;
background-color: #00b4db;
/* Tailwind (arbitrary) */
class="text-[#00b4db] bg-[#00b4db]"
/* SCSS */
$brand: #00b4db;
/* SwiftUI */
Color(red: 0.000, green: 0.706, blue: 0.859)
/* Android */
Color.parseColor("#00b4db")Accessibility — WCAG contrast
Aa
#00b4db on white: 2.46:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#00b4db on black: 8.55:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green70.6%
Blue85.9%
CMYK percentages
Cyan100.0%
Magenta17.8%
Yellow0.0%
Key (black)14.1%
Color previews
#00b4db text on a black background
contrast 8.55:1
Card sample
#00b4db text on a white background
contrast 2.46:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #00b4db;
Background color
Panel with #00b4db background
background-color: #00b4db;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #00b4db;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 180, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 180, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #00b4db; background: linear-gradient(135deg, #00b4db, #0022DB);