#2a398e
a dark, vivid blue · warm · closest name: midnightblue
RGB
42, 57, 142
HSL
231°, 54%, 36%
CMYK
70, 60, 0, 44
Luminance
0.0537
Every format
| HEX | #2a398e |
| RGB | rgb(42, 57, 142) |
| HSL | hsl(231, 54%, 36%) |
| CMYK | cmyk(70%, 60%, 0%, 44%) |
| LAB | lab(27.8 23.9 -49.0) |
| LCH | lch(27.8 54.5 296.0) |
| OKLCH | oklch(0.387 0.141 270.7) |
Copy-ready code
/* CSS */
color: #2a398e;
background-color: #2a398e;
/* Tailwind (arbitrary) */
class="text-[#2a398e] bg-[#2a398e]"
/* SCSS */
$brand: #2a398e;
/* SwiftUI */
Color(red: 0.165, green: 0.224, blue: 0.557)
/* Android */
Color.parseColor("#2a398e")Accessibility — WCAG contrast
Aa
#2a398e on white: 10.12:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#2a398e on black: 2.07:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red16.5%
Green22.4%
Blue55.7%
CMYK percentages
Cyan70.4%
Magenta59.9%
Yellow0.0%
Key (black)44.3%
Color previews
#2a398e text on a black background
contrast 2.07:1
Card sample
#2a398e text on a white background
contrast 10.12:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2a398e;
Background color
Panel with #2a398e background
background-color: #2a398e;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2a398e;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(42, 57, 142, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(42, 57, 142, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2a398e; background: linear-gradient(135deg, #2a398e, #5E2A8E);