#040dfd
a balanced, electric blue · warm · closest name: blue
RGB
4, 13, 253
HSL
238°, 98%, 50%
CMYK
98, 95, 0, 1
Luminance
0.0741
Every format
| HEX | #040dfd |
| RGB | rgb(4, 13, 253) |
| HSL | hsl(238, 98%, 50%) |
| CMYK | cmyk(98%, 95%, 0%, 1%) |
| LAB | lab(32.7 76.8 -106.0) |
| LCH | lch(32.7 130.9 305.9) |
| OKLCH | oklch(0.454 0.308 264.4) |
Copy-ready code
/* CSS */
color: #040dfd;
background-color: #040dfd;
/* Tailwind (arbitrary) */
class="text-[#040dfd] bg-[#040dfd]"
/* SCSS */
$brand: #040dfd;
/* SwiftUI */
Color(red: 0.016, green: 0.051, blue: 0.992)
/* Android */
Color.parseColor("#040dfd")Accessibility — WCAG contrast
Aa
#040dfd on white: 8.46:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#040dfd on black: 2.48:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green5.1%
Blue99.2%
CMYK percentages
Cyan98.4%
Magenta94.9%
Yellow0.0%
Key (black)0.8%
Color previews
#040dfd text on a black background
contrast 2.48:1
Card sample
#040dfd text on a white background
contrast 8.46:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #040dfd;
Background color
Panel with #040dfd background
background-color: #040dfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #040dfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 13, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 13, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #040dfd; background: linear-gradient(135deg, #040dfd, #A104FD);