#2557ee
a balanced, electric blue · warm · closest name: royalblue
RGB
37, 87, 238
HSL
225°, 86%, 54%
CMYK
85, 63, 0, 7
Luminance
0.1338
Every format
| HEX | #2557ee |
| RGB | rgb(37, 87, 238) |
| HSL | hsl(225, 86%, 54%) |
| CMYK | cmyk(85%, 63%, 0%, 7%) |
| LAB | lab(43.3 39.6 -80.0) |
| LCH | lch(43.3 89.3 296.4) |
| OKLCH | oklch(0.527 0.233 264.9) |
Copy-ready code
/* CSS */
color: #2557ee;
background-color: #2557ee;
/* Tailwind (arbitrary) */
class="text-[#2557ee] bg-[#2557ee]"
/* SCSS */
$brand: #2557ee;
/* SwiftUI */
Color(red: 0.145, green: 0.341, blue: 0.933)
/* Android */
Color.parseColor("#2557ee")Accessibility — WCAG contrast
Aa
#2557ee on white: 5.71:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#2557ee on black: 3.68:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green34.1%
Blue93.3%
CMYK percentages
Cyan84.5%
Magenta63.4%
Yellow0.0%
Key (black)6.7%
Color previews
#2557ee text on a black background
contrast 3.68:1
Card sample
#2557ee text on a white background
contrast 5.71:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2557ee;
Background color
Panel with #2557ee background
background-color: #2557ee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2557ee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 87, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 87, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2557ee; background: linear-gradient(135deg, #2557ee, #7925EE);