#2566a7
a dark, vivid blue · cool · closest name: steelblue
RGB
37, 102, 167
HSL
210°, 64%, 40%
CMYK
78, 39, 0, 35
Luminance
0.1269
Every format
| HEX | #2566a7 |
| RGB | rgb(37, 102, 167) |
| HSL | hsl(210, 64%, 40%) |
| CMYK | cmyk(78%, 39%, 0%, 35%) |
| LAB | lab(42.3 3.0 -40.7) |
| LCH | lch(42.3 40.9 274.1) |
| OKLCH | oklch(0.503 0.122 251.7) |
Copy-ready code
/* CSS */
color: #2566a7;
background-color: #2566a7;
/* Tailwind (arbitrary) */
class="text-[#2566a7] bg-[#2566a7]"
/* SCSS */
$brand: #2566a7;
/* SwiftUI */
Color(red: 0.145, green: 0.400, blue: 0.655)
/* Android */
Color.parseColor("#2566a7")Accessibility — WCAG contrast
Aa
#2566a7 on white: 5.94:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#2566a7 on black: 3.54:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green40.0%
Blue65.5%
CMYK percentages
Cyan77.8%
Magenta38.9%
Yellow0.0%
Key (black)34.5%
Color previews
#2566a7 text on a black background
contrast 3.54:1
Card sample
#2566a7 text on a white background
contrast 5.94:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2566a7;
Background color
Panel with #2566a7 background
background-color: #2566a7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2566a7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 102, 167, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 102, 167, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2566a7; background: linear-gradient(135deg, #2566a7, #3B25A7);