#233f8a
a dark, vivid blue · cool · closest name: midnightblue
RGB
35, 63, 138
HSL
224°, 60%, 34%
CMYK
75, 54, 0, 46
Luminance
0.0575
Every format
| HEX | #233f8a |
| RGB | rgb(35, 63, 138) |
| HSL | hsl(224, 60%, 34%) |
| CMYK | cmyk(75%, 54%, 0%, 46%) |
| LAB | lab(28.8 17.2 -44.9) |
| LCH | lch(28.8 48.1 291.0) |
| OKLCH | oklch(0.392 0.130 265.4) |
Copy-ready code
/* CSS */
color: #233f8a;
background-color: #233f8a;
/* Tailwind (arbitrary) */
class="text-[#233f8a] bg-[#233f8a]"
/* SCSS */
$brand: #233f8a;
/* SwiftUI */
Color(red: 0.137, green: 0.247, blue: 0.541)
/* Android */
Color.parseColor("#233f8a")Accessibility — WCAG contrast
Aa
#233f8a on white: 9.77:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#233f8a on black: 2.15:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.7%
Green24.7%
Blue54.1%
CMYK percentages
Cyan74.6%
Magenta54.3%
Yellow0.0%
Key (black)45.9%
Color previews
#233f8a text on a black background
contrast 2.15:1
Card sample
#233f8a text on a white background
contrast 9.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #233f8a;
Background color
Panel with #233f8a background
background-color: #233f8a;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #233f8a;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(35, 63, 138, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 63, 138, 0.45);
Border & gradient
Gradient panel
border: 3px solid #233f8a; background: linear-gradient(135deg, #233f8a, #4C238A);