#256eb3
a dark, vivid blue · cool · closest name: steelblue
RGB
37, 110, 179
HSL
209°, 66%, 42%
CMYK
79, 39, 0, 30
Luminance
0.1480
Every format
| HEX | #256eb3 |
| RGB | rgb(37, 110, 179) |
| HSL | hsl(209, 66%, 42%) |
| CMYK | cmyk(79%, 39%, 0%, 30%) |
| LAB | lab(45.4 2.5 -42.9) |
| LCH | lch(45.4 43.0 273.4) |
| OKLCH | oklch(0.529 0.130 250.8) |
Copy-ready code
/* CSS */
color: #256eb3;
background-color: #256eb3;
/* Tailwind (arbitrary) */
class="text-[#256eb3] bg-[#256eb3]"
/* SCSS */
$brand: #256eb3;
/* SwiftUI */
Color(red: 0.145, green: 0.431, blue: 0.702)
/* Android */
Color.parseColor("#256eb3")Accessibility — WCAG contrast
Aa
#256eb3 on white: 5.30:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#256eb3 on black: 3.96:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green43.1%
Blue70.2%
CMYK percentages
Cyan79.3%
Magenta38.5%
Yellow0.0%
Key (black)29.8%
Color previews
#256eb3 text on a black background
contrast 3.96:1
Card sample
#256eb3 text on a white background
contrast 5.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #256eb3;
Background color
Panel with #256eb3 background
background-color: #256eb3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #256eb3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 110, 179, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 110, 179, 0.45);
Border & gradient
Gradient panel
border: 3px solid #256eb3; background: linear-gradient(135deg, #256eb3, #3B25B3);