#255eb4
a dark, vivid blue · cool · closest name: royalblue
RGB
37, 94, 180
HSL
216°, 66%, 43%
CMYK
79, 48, 0, 29
Luminance
0.1169
Every format
| HEX | #255eb4 |
| RGB | rgb(37, 94, 180) |
| HSL | hsl(216, 66%, 43%) |
| CMYK | cmyk(79%, 48%, 0%, 29%) |
| LAB | lab(40.7 13.1 -50.9) |
| LCH | lch(40.7 52.5 284.5) |
| OKLCH | oklch(0.493 0.149 258.8) |
Copy-ready code
/* CSS */
color: #255eb4;
background-color: #255eb4;
/* Tailwind (arbitrary) */
class="text-[#255eb4] bg-[#255eb4]"
/* SCSS */
$brand: #255eb4;
/* SwiftUI */
Color(red: 0.145, green: 0.369, blue: 0.706)
/* Android */
Color.parseColor("#255eb4")Accessibility — WCAG contrast
Aa
#255eb4 on white: 6.29:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#255eb4 on black: 3.34:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green36.9%
Blue70.6%
CMYK percentages
Cyan79.4%
Magenta47.8%
Yellow0.0%
Key (black)29.4%
Color previews
#255eb4 text on a black background
contrast 3.34:1
Card sample
#255eb4 text on a white background
contrast 6.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #255eb4;
Background color
Panel with #255eb4 background
background-color: #255eb4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #255eb4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 94, 180, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 94, 180, 0.45);
Border & gradient
Gradient panel
border: 3px solid #255eb4; background: linear-gradient(135deg, #255eb4, #4B25B4);