#255eee
a balanced, electric blue · cool · closest name: royalblue
RGB
37, 94, 238
HSL
223°, 86%, 54%
CMYK
85, 61, 0, 7
Luminance
0.1457
Every format
| HEX | #255eee |
| RGB | rgb(37, 94, 238) |
| HSL | hsl(223, 86%, 54%) |
| CMYK | cmyk(85%, 61%, 0%, 7%) |
| LAB | lab(45.0 35.3 -77.2) |
| LCH | lch(45.0 84.8 294.5) |
| OKLCH | oklch(0.539 0.225 263.9) |
Copy-ready code
/* CSS */
color: #255eee;
background-color: #255eee;
/* Tailwind (arbitrary) */
class="text-[#255eee] bg-[#255eee]"
/* SCSS */
$brand: #255eee;
/* SwiftUI */
Color(red: 0.145, green: 0.369, blue: 0.933)
/* Android */
Color.parseColor("#255eee")Accessibility — WCAG contrast
Aa
#255eee on white: 5.36:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#255eee on black: 3.91:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green36.9%
Blue93.3%
CMYK percentages
Cyan84.5%
Magenta60.5%
Yellow0.0%
Key (black)6.7%
Color previews
#255eee text on a black background
contrast 3.91:1
Card sample
#255eee text on a white background
contrast 5.36:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #255eee;
Background color
Panel with #255eee background
background-color: #255eee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #255eee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 94, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 94, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #255eee; background: linear-gradient(135deg, #255eee, #7225EE);