#255eb7
a dark, vivid blue · cool · closest name: royalblue
RGB
37, 94, 183
HSL
217°, 66%, 43%
CMYK
80, 49, 0, 28
Luminance
0.1182
Every format
| HEX | #255eb7 |
| RGB | rgb(37, 94, 183) |
| HSL | hsl(217, 66%, 43%) |
| CMYK | cmyk(80%, 49%, 0%, 28%) |
| LAB | lab(40.9 14.3 -52.3) |
| LCH | lch(40.9 54.3 285.3) |
| OKLCH | oklch(0.495 0.153 259.3) |
Copy-ready code
/* CSS */
color: #255eb7;
background-color: #255eb7;
/* Tailwind (arbitrary) */
class="text-[#255eb7] bg-[#255eb7]"
/* SCSS */
$brand: #255eb7;
/* SwiftUI */
Color(red: 0.145, green: 0.369, blue: 0.718)
/* Android */
Color.parseColor("#255eb7")Accessibility — WCAG contrast
Aa
#255eb7 on white: 6.24:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#255eb7 on black: 3.36:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green36.9%
Blue71.8%
CMYK percentages
Cyan79.8%
Magenta48.6%
Yellow0.0%
Key (black)28.2%
Color previews
#255eb7 text on a black background
contrast 3.36:1
Card sample
#255eb7 text on a white background
contrast 6.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #255eb7;
Background color
Panel with #255eb7 background
background-color: #255eb7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #255eb7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 94, 183, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 94, 183, 0.45);
Border & gradient
Gradient panel
border: 3px solid #255eb7; background: linear-gradient(135deg, #255eb7, #4D25B7);