#233f8c
a dark, vivid blue · cool · closest name: midnightblue
RGB
35, 63, 140
HSL
224°, 60%, 34%
CMYK
75, 55, 0, 45
Luminance
0.0581
Every format
| HEX | #233f8c |
| RGB | rgb(35, 63, 140) |
| HSL | hsl(224, 60%, 34%) |
| CMYK | cmyk(75%, 55%, 0%, 45%) |
| LAB | lab(28.9 18.0 -45.9) |
| LCH | lch(28.9 49.3 291.4) |
| OKLCH | oklch(0.394 0.133 265.5) |
Copy-ready code
/* CSS */
color: #233f8c;
background-color: #233f8c;
/* Tailwind (arbitrary) */
class="text-[#233f8c] bg-[#233f8c]"
/* SCSS */
$brand: #233f8c;
/* SwiftUI */
Color(red: 0.137, green: 0.247, blue: 0.549)
/* Android */
Color.parseColor("#233f8c")Accessibility — WCAG contrast
Aa
#233f8c on white: 9.72:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#233f8c on black: 2.16:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.7%
Green24.7%
Blue54.9%
CMYK percentages
Cyan75.0%
Magenta55.0%
Yellow0.0%
Key (black)45.1%
Color previews
#233f8c text on a black background
contrast 2.16:1
Card sample
#233f8c text on a white background
contrast 9.72:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #233f8c;
Background color
Panel with #233f8c background
background-color: #233f8c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #233f8c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(35, 63, 140, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 63, 140, 0.45);
Border & gradient
Gradient panel
border: 3px solid #233f8c; background: linear-gradient(135deg, #233f8c, #4D238C);