#00ace4
a dark, electric cyan · cool · closest name: steelblue
RGB
0, 172, 228
HSL
195°, 100%, 45%
CMYK
100, 25, 0, 11
Luminance
0.3511
Every format
| HEX | #00ace4 |
| RGB | rgb(0, 172, 228) |
| HSL | hsl(195, 100%, 45%) |
| CMYK | cmyk(100%, 25%, 0%, 11%) |
| LAB | lab(65.8 -17.1 -38.4) |
| LCH | lch(65.8 42.0 246.0) |
| OKLCH | oklch(0.698 0.140 230.7) |
Copy-ready code
/* CSS */
color: #00ace4;
background-color: #00ace4;
/* Tailwind (arbitrary) */
class="text-[#00ace4] bg-[#00ace4]"
/* SCSS */
$brand: #00ace4;
/* SwiftUI */
Color(red: 0.000, green: 0.675, blue: 0.894)
/* Android */
Color.parseColor("#00ace4")Accessibility — WCAG contrast
Aa
#00ace4 on white: 2.62:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#00ace4 on black: 8.02:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green67.5%
Blue89.4%
CMYK percentages
Cyan100.0%
Magenta24.6%
Yellow0.0%
Key (black)10.6%
Color previews
#00ace4 text on a black background
contrast 8.02:1
Card sample
#00ace4 text on a white background
contrast 2.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #00ace4;
Background color
Panel with #00ace4 background
background-color: #00ace4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #00ace4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 172, 228, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 172, 228, 0.45);
Border & gradient
Gradient panel
border: 3px solid #00ace4; background: linear-gradient(135deg, #00ace4, #0014E4);