#040cbf
a dark, electric blue · warm · closest name: navy
RGB
4, 12, 191
HSL
237°, 96%, 38%
CMYK
98, 94, 0, 25
Luminance
0.0405
Every format
| HEX | #040cbf |
| RGB | rgb(4, 12, 191) |
| HSL | hsl(237, 96%, 38%) |
| CMYK | cmyk(98%, 94%, 0%, 25%) |
| LAB | lab(23.8 61.0 -85.2) |
| LCH | lch(23.8 104.8 305.6) |
| OKLCH | oklch(0.370 0.247 264.6) |
Copy-ready code
/* CSS */
color: #040cbf;
background-color: #040cbf;
/* Tailwind (arbitrary) */
class="text-[#040cbf] bg-[#040cbf]"
/* SCSS */
$brand: #040cbf;
/* SwiftUI */
Color(red: 0.016, green: 0.047, blue: 0.749)
/* Android */
Color.parseColor("#040cbf")Accessibility — WCAG contrast
Aa
#040cbf on white: 11.60:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#040cbf on black: 1.81:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green4.7%
Blue74.9%
CMYK percentages
Cyan97.9%
Magenta93.7%
Yellow0.0%
Key (black)25.1%
Color previews
#040cbf text on a black background
contrast 1.81:1
Card sample
#040cbf text on a white background
contrast 11.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #040cbf;
Background color
Panel with #040cbf background
background-color: #040cbf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #040cbf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 12, 191, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 12, 191, 0.45);
Border & gradient
Gradient panel
border: 3px solid #040cbf; background: linear-gradient(135deg, #040cbf, #7804BF);