#233f87
a dark, vivid blue · cool · closest name: midnightblue
RGB
35, 63, 135
HSL
223°, 59%, 33%
CMYK
74, 53, 0, 47
Luminance
0.0566
Every format
| HEX | #233f87 |
| RGB | rgb(35, 63, 135) |
| HSL | hsl(223, 59%, 33%) |
| CMYK | cmyk(74%, 53%, 0%, 47%) |
| LAB | lab(28.5 16.0 -43.4) |
| LCH | lch(28.5 46.3 290.2) |
| OKLCH | oklch(0.390 0.125 265.1) |
Copy-ready code
/* CSS */
color: #233f87;
background-color: #233f87;
/* Tailwind (arbitrary) */
class="text-[#233f87] bg-[#233f87]"
/* SCSS */
$brand: #233f87;
/* SwiftUI */
Color(red: 0.137, green: 0.247, blue: 0.529)
/* Android */
Color.parseColor("#233f87")Accessibility — WCAG contrast
Aa
#233f87 on white: 9.85:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#233f87 on black: 2.13:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.7%
Green24.7%
Blue52.9%
CMYK percentages
Cyan74.1%
Magenta53.3%
Yellow0.0%
Key (black)47.1%
Color previews
#233f87 text on a black background
contrast 2.13:1
Card sample
#233f87 text on a white background
contrast 9.85:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #233f87;
Background color
Panel with #233f87 background
background-color: #233f87;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #233f87;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(35, 63, 135, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 63, 135, 0.45);
Border & gradient
Gradient panel
border: 3px solid #233f87; background: linear-gradient(135deg, #233f87, #4A2387);