#233f79
a dark, vivid blue · cool · closest name: midnightblue
RGB
35, 63, 121
HSL
221°, 55%, 31%
CMYK
71, 48, 0, 53
Luminance
0.0529
Every format
| HEX | #233f79 |
| RGB | rgb(35, 63, 121) |
| HSL | hsl(221, 55%, 31%) |
| CMYK | cmyk(71%, 48%, 0%, 53%) |
| LAB | lab(27.6 10.5 -36.3) |
| LCH | lch(27.6 37.8 286.1) |
| OKLCH | oklch(0.379 0.105 263.0) |
Copy-ready code
/* CSS */
color: #233f79;
background-color: #233f79;
/* Tailwind (arbitrary) */
class="text-[#233f79] bg-[#233f79]"
/* SCSS */
$brand: #233f79;
/* SwiftUI */
Color(red: 0.137, green: 0.247, blue: 0.475)
/* Android */
Color.parseColor("#233f79")Accessibility — WCAG contrast
Aa
#233f79 on white: 10.20:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#233f79 on black: 2.06:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.7%
Green24.7%
Blue47.5%
CMYK percentages
Cyan71.1%
Magenta47.9%
Yellow0.0%
Key (black)52.5%
Color previews
#233f79 text on a black background
contrast 2.06:1
Card sample
#233f79 text on a white background
contrast 10.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #233f79;
Background color
Panel with #233f79 background
background-color: #233f79;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #233f79;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(35, 63, 121, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 63, 121, 0.45);
Border & gradient
Gradient panel
border: 3px solid #233f79; background: linear-gradient(135deg, #233f79, #402379);