#040bfd
a balanced, electric blue · warm · closest name: blue
RGB
4, 11, 253
HSL
238°, 98%, 50%
CMYK
98, 96, 0, 1
Luminance
0.0736
Every format
| HEX | #040bfd |
| RGB | rgb(4, 11, 253) |
| HSL | hsl(238, 98%, 50%) |
| CMYK | cmyk(98%, 96%, 0%, 1%) |
| LAB | lab(32.6 77.1 -106.2) |
| LCH | lch(32.6 131.3 306.0) |
| OKLCH | oklch(0.454 0.308 264.4) |
Copy-ready code
/* CSS */
color: #040bfd;
background-color: #040bfd;
/* Tailwind (arbitrary) */
class="text-[#040bfd] bg-[#040bfd]"
/* SCSS */
$brand: #040bfd;
/* SwiftUI */
Color(red: 0.016, green: 0.043, blue: 0.992)
/* Android */
Color.parseColor("#040bfd")Accessibility — WCAG contrast
Aa
#040bfd on white: 8.50:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#040bfd on black: 2.47:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green4.3%
Blue99.2%
CMYK percentages
Cyan98.4%
Magenta95.7%
Yellow0.0%
Key (black)0.8%
Color previews
#040bfd text on a black background
contrast 2.47:1
Card sample
#040bfd text on a white background
contrast 8.50:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #040bfd;
Background color
Panel with #040bfd background
background-color: #040bfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #040bfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 11, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 11, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #040bfd; background: linear-gradient(135deg, #040bfd, #A304FD);