#042ab4
a dark, electric blue · warm · closest name: navy
RGB
4, 42, 180
HSL
227°, 96%, 36%
CMYK
98, 77, 0, 29
Luminance
0.0498
Every format
| HEX | #042ab4 |
| RGB | rgb(4, 42, 180) |
| HSL | hsl(227, 96%, 36%) |
| CMYK | cmyk(98%, 77%, 0%, 29%) |
| LAB | lab(26.7 45.0 -73.9) |
| LCH | lch(26.7 86.5 301.3) |
| OKLCH | oklch(0.386 0.215 264.3) |
Copy-ready code
/* CSS */
color: #042ab4;
background-color: #042ab4;
/* Tailwind (arbitrary) */
class="text-[#042ab4] bg-[#042ab4]"
/* SCSS */
$brand: #042ab4;
/* SwiftUI */
Color(red: 0.016, green: 0.165, blue: 0.706)
/* Android */
Color.parseColor("#042ab4")Accessibility — WCAG contrast
Aa
#042ab4 on white: 10.52:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#042ab4 on black: 2.00:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green16.5%
Blue70.6%
CMYK percentages
Cyan97.8%
Magenta76.7%
Yellow0.0%
Key (black)29.4%
Color previews
#042ab4 text on a black background
contrast 2.00:1
Card sample
#042ab4 text on a white background
contrast 10.52:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #042ab4;
Background color
Panel with #042ab4 background
background-color: #042ab4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #042ab4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 42, 180, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 42, 180, 0.45);
Border & gradient
Gradient panel
border: 3px solid #042ab4; background: linear-gradient(135deg, #042ab4, #5304B4);