#233f59
a deep, soft blue · cool · closest name: darkslategray
RGB
35, 63, 89
HSL
209°, 44%, 24%
CMYK
61, 29, 0, 65
Luminance
0.0463
Every format
| HEX | #233f59 |
| RGB | rgb(35, 63, 89) |
| HSL | hsl(209, 44%, 24%) |
| CMYK | cmyk(61%, 29%, 0%, 65%) |
| LAB | lab(25.7 -1.8 -18.8) |
| LCH | lch(25.7 18.9 264.5) |
| OKLCH | oklch(0.358 0.057 248.0) |
Copy-ready code
/* CSS */
color: #233f59;
background-color: #233f59;
/* Tailwind (arbitrary) */
class="text-[#233f59] bg-[#233f59]"
/* SCSS */
$brand: #233f59;
/* SwiftUI */
Color(red: 0.137, green: 0.247, blue: 0.349)
/* Android */
Color.parseColor("#233f59")Accessibility — WCAG contrast
Aa
#233f59 on white: 10.90:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#233f59 on black: 1.93:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.7%
Green24.7%
Blue34.9%
CMYK percentages
Cyan60.7%
Magenta29.2%
Yellow0.0%
Key (black)65.1%
Color previews
#233f59 text on a black background
contrast 1.93:1
Card sample
#233f59 text on a white background
contrast 10.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #233f59;
Background color
Panel with #233f59 background
background-color: #233f59;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #233f59;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(35, 63, 89, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 63, 89, 0.45);
Border & gradient
Gradient panel
border: 3px solid #233f59; background: linear-gradient(135deg, #233f59, #2B2359);