#233f9f
a dark, vivid blue · warm · closest name: midnightblue
RGB
35, 63, 159
HSL
227°, 64%, 38%
CMYK
78, 60, 0, 38
Luminance
0.0642
Every format
| HEX | #233f9f |
| RGB | rgb(35, 63, 159) |
| HSL | hsl(227, 64%, 38%) |
| CMYK | cmyk(78%, 60%, 0%, 38%) |
| LAB | lab(30.4 25.4 -55.0) |
| LCH | lch(30.4 60.6 294.8) |
| OKLCH | oklch(0.410 0.159 266.6) |
Copy-ready code
/* CSS */
color: #233f9f;
background-color: #233f9f;
/* Tailwind (arbitrary) */
class="text-[#233f9f] bg-[#233f9f]"
/* SCSS */
$brand: #233f9f;
/* SwiftUI */
Color(red: 0.137, green: 0.247, blue: 0.624)
/* Android */
Color.parseColor("#233f9f")Accessibility — WCAG contrast
Aa
#233f9f on white: 9.20:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#233f9f on black: 2.28:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.7%
Green24.7%
Blue62.4%
CMYK percentages
Cyan78.0%
Magenta60.4%
Yellow0.0%
Key (black)37.6%
Color previews
#233f9f text on a black background
contrast 2.28:1
Card sample
#233f9f text on a white background
contrast 9.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #233f9f;
Background color
Panel with #233f9f background
background-color: #233f9f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #233f9f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(35, 63, 159, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 63, 159, 0.45);
Border & gradient
Gradient panel
border: 3px solid #233f9f; background: linear-gradient(135deg, #233f9f, #5A239F);