#017fff
a balanced, electric blue · cool · closest name: royalblue
RGB
1, 127, 255
HSL
210°, 100%, 50%
CMYK
100, 50, 0, 0
Luminance
0.2241
Every format
| HEX | #017fff |
| RGB | rgb(1, 127, 255) |
| HSL | hsl(210, 100%, 50%) |
| CMYK | cmyk(100%, 50%, 0%, 0%) |
| LAB | lab(54.5 19.4 -71.3) |
| LCH | lch(54.5 74.0 285.2) |
| OKLCH | oklch(0.613 0.212 256.4) |
Copy-ready code
/* CSS */
color: #017fff;
background-color: #017fff;
/* Tailwind (arbitrary) */
class="text-[#017fff] bg-[#017fff]"
/* SCSS */
$brand: #017fff;
/* SwiftUI */
Color(red: 0.004, green: 0.498, blue: 1.000)
/* Android */
Color.parseColor("#017fff")Accessibility — WCAG contrast
Aa
#017fff on white: 3.83:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#017fff on black: 5.48:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.4%
Green49.8%
Blue100.0%
CMYK percentages
Cyan99.6%
Magenta50.2%
Yellow0.0%
Key (black)0.0%
Color previews
#017fff text on a black background
contrast 5.48:1
Card sample
#017fff text on a white background
contrast 3.83:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #017fff;
Background color
Panel with #017fff background
background-color: #017fff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #017fff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(1, 127, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(1, 127, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #017fff; background: linear-gradient(135deg, #017fff, #2C01FF);