#0428bf
a dark, electric blue · warm · closest name: navy
RGB
4, 40, 191
HSL
228°, 96%, 38%
CMYK
98, 79, 0, 25
Luminance
0.0530
Every format
| HEX | #0428bf |
| RGB | rgb(4, 40, 191) |
| HSL | hsl(228, 96%, 38%) |
| CMYK | cmyk(98%, 79%, 0%, 25%) |
| LAB | lab(27.6 49.8 -78.9) |
| LCH | lch(27.6 93.3 302.3) |
| OKLCH | oklch(0.396 0.230 264.4) |
Copy-ready code
/* CSS */
color: #0428bf;
background-color: #0428bf;
/* Tailwind (arbitrary) */
class="text-[#0428bf] bg-[#0428bf]"
/* SCSS */
$brand: #0428bf;
/* SwiftUI */
Color(red: 0.016, green: 0.157, blue: 0.749)
/* Android */
Color.parseColor("#0428bf")Accessibility — WCAG contrast
Aa
#0428bf on white: 10.19:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0428bf on black: 2.06:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green15.7%
Blue74.9%
CMYK percentages
Cyan97.9%
Magenta79.1%
Yellow0.0%
Key (black)25.1%
Color previews
#0428bf text on a black background
contrast 2.06:1
Card sample
#0428bf text on a white background
contrast 10.19:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0428bf;
Background color
Panel with #0428bf background
background-color: #0428bf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0428bf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 40, 191, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 40, 191, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0428bf; background: linear-gradient(135deg, #0428bf, #5C04BF);