#003bff
a balanced, electric blue · warm · closest name: blue
RGB
0, 59, 255
HSL
226°, 100%, 50%
CMYK
100, 77, 0, 0
Luminance
0.1035
Every format
| HEX | #003bff |
| RGB | rgb(0, 59, 255) |
| HSL | hsl(226, 100%, 50%) |
| CMYK | cmyk(100%, 77%, 0%, 0%) |
| LAB | lab(38.5 60.7 -97.6) |
| LCH | lch(38.5 114.9 301.9) |
| OKLCH | oklch(0.494 0.285 264.0) |
Copy-ready code
/* CSS */
color: #003bff;
background-color: #003bff;
/* Tailwind (arbitrary) */
class="text-[#003bff] bg-[#003bff]"
/* SCSS */
$brand: #003bff;
/* SwiftUI */
Color(red: 0.000, green: 0.231, blue: 1.000)
/* Android */
Color.parseColor("#003bff")Accessibility — WCAG contrast
Aa
#003bff on white: 6.84:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#003bff on black: 3.07:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green23.1%
Blue100.0%
CMYK percentages
Cyan100.0%
Magenta76.9%
Yellow0.0%
Key (black)0.0%
Color previews
#003bff text on a black background
contrast 3.07:1
Card sample
#003bff text on a white background
contrast 6.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #003bff;
Background color
Panel with #003bff background
background-color: #003bff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #003bff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 59, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 59, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #003bff; background: linear-gradient(135deg, #003bff, #6F00FF);