#042ac8
a dark, electric blue · warm · closest name: navy
RGB
4, 42, 200
HSL
228°, 96%, 40%
CMYK
98, 79, 0, 22
Luminance
0.0585
Every format
| HEX | #042ac8 |
| RGB | rgb(4, 42, 200) |
| HSL | hsl(228, 96%, 40%) |
| CMYK | cmyk(98%, 79%, 0%, 22%) |
| LAB | lab(29.0 51.8 -81.8) |
| LCH | lch(29.0 96.8 302.3) |
| OKLCH | oklch(0.410 0.238 264.4) |
Copy-ready code
/* CSS */
color: #042ac8;
background-color: #042ac8;
/* Tailwind (arbitrary) */
class="text-[#042ac8] bg-[#042ac8]"
/* SCSS */
$brand: #042ac8;
/* SwiftUI */
Color(red: 0.016, green: 0.165, blue: 0.784)
/* Android */
Color.parseColor("#042ac8")Accessibility — WCAG contrast
Aa
#042ac8 on white: 9.68:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#042ac8 on black: 2.17:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green16.5%
Blue78.4%
CMYK percentages
Cyan98.0%
Magenta79.0%
Yellow0.0%
Key (black)21.6%
Color previews
#042ac8 text on a black background
contrast 2.17:1
Card sample
#042ac8 text on a white background
contrast 9.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #042ac8;
Background color
Panel with #042ac8 background
background-color: #042ac8;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #042ac8;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 42, 200, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 42, 200, 0.45);
Border & gradient
Gradient panel
border: 3px solid #042ac8; background: linear-gradient(135deg, #042ac8, #6104C8);