#00ade4
a dark, electric cyan · cool · closest name: steelblue
RGB
0, 173, 228
HSL
195°, 100%, 45%
CMYK
100, 24, 0, 11
Luminance
0.3549
Every format
| HEX | #00ade4 |
| RGB | rgb(0, 173, 228) |
| HSL | hsl(195, 100%, 45%) |
| CMYK | cmyk(100%, 24%, 0%, 11%) |
| LAB | lab(66.1 -17.6 -37.9) |
| LCH | lch(66.1 41.8 245.1) |
| OKLCH | oklch(0.700 0.140 230.1) |
Copy-ready code
/* CSS */
color: #00ade4;
background-color: #00ade4;
/* Tailwind (arbitrary) */
class="text-[#00ade4] bg-[#00ade4]"
/* SCSS */
$brand: #00ade4;
/* SwiftUI */
Color(red: 0.000, green: 0.678, blue: 0.894)
/* Android */
Color.parseColor("#00ade4")Accessibility — WCAG contrast
Aa
#00ade4 on white: 2.59:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#00ade4 on black: 8.10:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green67.8%
Blue89.4%
CMYK percentages
Cyan100.0%
Magenta24.1%
Yellow0.0%
Key (black)10.6%
Color previews
#00ade4 text on a black background
contrast 8.10:1
Card sample
#00ade4 text on a white background
contrast 2.59:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #00ade4;
Background color
Panel with #00ade4 background
background-color: #00ade4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #00ade4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 173, 228, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 173, 228, 0.45);
Border & gradient
Gradient panel
border: 3px solid #00ade4; background: linear-gradient(135deg, #00ade4, #0015E4);