#3987eb
a balanced, electric blue · cool · closest name: dodgerblue
RGB
57, 135, 235
HSL
214°, 82%, 57%
CMYK
76, 43, 0, 8
Luminance
0.2420
Every format
| HEX | #3987eb |
| RGB | rgb(57, 135, 235) |
| HSL | hsl(214, 82%, 57%) |
| CMYK | cmyk(76%, 43%, 0%, 8%) |
| LAB | lab(56.3 10.3 -57.3) |
| LCH | lch(56.3 58.2 280.2) |
| OKLCH | oklch(0.626 0.169 256.2) |
Copy-ready code
/* CSS */
color: #3987eb;
background-color: #3987eb;
/* Tailwind (arbitrary) */
class="text-[#3987eb] bg-[#3987eb]"
/* SCSS */
$brand: #3987eb;
/* SwiftUI */
Color(red: 0.224, green: 0.529, blue: 0.922)
/* Android */
Color.parseColor("#3987eb")Accessibility — WCAG contrast
Aa
#3987eb on white: 3.60:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3987eb on black: 5.84:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green52.9%
Blue92.2%
CMYK percentages
Cyan75.7%
Magenta42.6%
Yellow0.0%
Key (black)7.8%
Color previews
#3987eb text on a black background
contrast 5.84:1
Card sample
#3987eb text on a white background
contrast 3.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3987eb;
Background color
Panel with #3987eb background
background-color: #3987eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3987eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 135, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 135, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3987eb; background: linear-gradient(135deg, #3987eb, #6239EB);