#042ac7
a dark, electric blue · warm · closest name: navy
RGB
4, 42, 199
HSL
228°, 96%, 40%
CMYK
98, 79, 0, 22
Luminance
0.0581
Every format
| HEX | #042ac7 |
| RGB | rgb(4, 42, 199) |
| HSL | hsl(228, 96%, 40%) |
| CMYK | cmyk(98%, 79%, 0%, 22%) |
| LAB | lab(28.9 51.4 -81.4) |
| LCH | lch(28.9 96.3 302.3) |
| OKLCH | oklch(0.409 0.237 264.4) |
Copy-ready code
/* CSS */
color: #042ac7;
background-color: #042ac7;
/* Tailwind (arbitrary) */
class="text-[#042ac7] bg-[#042ac7]"
/* SCSS */
$brand: #042ac7;
/* SwiftUI */
Color(red: 0.016, green: 0.165, blue: 0.780)
/* Android */
Color.parseColor("#042ac7")Accessibility — WCAG contrast
Aa
#042ac7 on white: 9.72:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#042ac7 on black: 2.16:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green16.5%
Blue78.0%
CMYK percentages
Cyan98.0%
Magenta78.9%
Yellow0.0%
Key (black)22.0%
Color previews
#042ac7 text on a black background
contrast 2.16:1
Card sample
#042ac7 text on a white background
contrast 9.72:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #042ac7;
Background color
Panel with #042ac7 background
background-color: #042ac7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #042ac7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 42, 199, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 42, 199, 0.45);
Border & gradient
Gradient panel
border: 3px solid #042ac7; background: linear-gradient(135deg, #042ac7, #6004C7);