#005af4
a balanced, electric blue · cool · closest name: royalblue
RGB
0, 90, 244
HSL
218°, 100%, 48%
CMYK
100, 63, 0, 4
Luminance
0.1384
Every format
| HEX | #005af4 |
| RGB | rgb(0, 90, 244) |
| HSL | hsl(218, 100%, 48%) |
| CMYK | cmyk(100%, 63%, 0%, 4%) |
| LAB | lab(44.0 38.6 -82.3) |
| LCH | lch(44.0 90.9 295.2) |
| OKLCH | oklch(0.531 0.241 261.7) |
Copy-ready code
/* CSS */
color: #005af4;
background-color: #005af4;
/* Tailwind (arbitrary) */
class="text-[#005af4] bg-[#005af4]"
/* SCSS */
$brand: #005af4;
/* SwiftUI */
Color(red: 0.000, green: 0.353, blue: 0.957)
/* Android */
Color.parseColor("#005af4")Accessibility — WCAG contrast
Aa
#005af4 on white: 5.57:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#005af4 on black: 3.77:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green35.3%
Blue95.7%
CMYK percentages
Cyan100.0%
Magenta63.1%
Yellow0.0%
Key (black)4.3%
Color previews
#005af4 text on a black background
contrast 3.77:1
Card sample
#005af4 text on a white background
contrast 5.57:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #005af4;
Background color
Panel with #005af4 background
background-color: #005af4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #005af4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 90, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 90, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #005af4; background: linear-gradient(135deg, #005af4, #4900F4);