#233eb3
a dark, vivid blue · warm · closest name: slateblue
RGB
35, 62, 179
HSL
229°, 67%, 42%
CMYK
80, 65, 0, 30
Luminance
0.0706
Every format
| HEX | #233eb3 |
| RGB | rgb(35, 62, 179) |
| HSL | hsl(229, 67%, 42%) |
| CMYK | cmyk(80%, 65%, 0%, 30%) |
| LAB | lab(31.9 33.7 -64.6) |
| LCH | lch(31.9 72.8 297.5) |
| OKLCH | oklch(0.426 0.187 267.3) |
Copy-ready code
/* CSS */
color: #233eb3;
background-color: #233eb3;
/* Tailwind (arbitrary) */
class="text-[#233eb3] bg-[#233eb3]"
/* SCSS */
$brand: #233eb3;
/* SwiftUI */
Color(red: 0.137, green: 0.243, blue: 0.702)
/* Android */
Color.parseColor("#233eb3")Accessibility — WCAG contrast
Aa
#233eb3 on white: 8.71:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#233eb3 on black: 2.41:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.7%
Green24.3%
Blue70.2%
CMYK percentages
Cyan80.4%
Magenta65.4%
Yellow0.0%
Key (black)29.8%
Color previews
#233eb3 text on a black background
contrast 2.41:1
Card sample
#233eb3 text on a white background
contrast 8.71:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #233eb3;
Background color
Panel with #233eb3 background
background-color: #233eb3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #233eb3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(35, 62, 179, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 62, 179, 0.45);
Border & gradient
Gradient panel
border: 3px solid #233eb3; background: linear-gradient(135deg, #233eb3, #6823B3);