#2837ff
a balanced, electric blue · warm · closest name: blue
RGB
40, 55, 255
HSL
236°, 100%, 58%
CMYK
84, 78, 0, 0
Luminance
0.1040
Every format
| HEX | #2837ff |
| RGB | rgb(40, 55, 255) |
| HSL | hsl(236, 100%, 58%) |
| CMYK | cmyk(84%, 78%, 0%, 0%) |
| LAB | lab(38.5 63.7 -97.4) |
| LCH | lch(38.5 116.4 303.2) |
| OKLCH | oklch(0.497 0.282 267.7) |
Copy-ready code
/* CSS */
color: #2837ff;
background-color: #2837ff;
/* Tailwind (arbitrary) */
class="text-[#2837ff] bg-[#2837ff]"
/* SCSS */
$brand: #2837ff;
/* SwiftUI */
Color(red: 0.157, green: 0.216, blue: 1.000)
/* Android */
Color.parseColor("#2837ff")Accessibility — WCAG contrast
Aa
#2837ff on white: 6.82:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#2837ff on black: 3.08:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green21.6%
Blue100.0%
CMYK percentages
Cyan84.3%
Magenta78.4%
Yellow0.0%
Key (black)0.0%
Color previews
#2837ff text on a black background
contrast 3.08:1
Card sample
#2837ff text on a white background
contrast 6.82:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2837ff;
Background color
Panel with #2837ff background
background-color: #2837ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2837ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 55, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 55, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2837ff; background: linear-gradient(135deg, #2837ff, #A828FF);