#3987fd
a balanced, electric blue · cool · closest name: dodgerblue
RGB
57, 135, 253
HSL
216°, 98%, 61%
CMYK
78, 47, 0, 1
Luminance
0.2529
Every format
| HEX | #3987fd |
| RGB | rgb(57, 135, 253) |
| HSL | hsl(216, 98%, 61%) |
| CMYK | cmyk(78%, 47%, 0%, 1%) |
| LAB | lab(57.4 16.8 -65.5) |
| LCH | lch(57.4 67.6 284.4) |
| OKLCH | oklch(0.638 0.192 258.8) |
Copy-ready code
/* CSS */
color: #3987fd;
background-color: #3987fd;
/* Tailwind (arbitrary) */
class="text-[#3987fd] bg-[#3987fd]"
/* SCSS */
$brand: #3987fd;
/* SwiftUI */
Color(red: 0.224, green: 0.529, blue: 0.992)
/* Android */
Color.parseColor("#3987fd")Accessibility — WCAG contrast
Aa
#3987fd on white: 3.47:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3987fd on black: 6.06:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green52.9%
Blue99.2%
CMYK percentages
Cyan77.5%
Magenta46.6%
Yellow0.0%
Key (black)0.8%
Color previews
#3987fd text on a black background
contrast 6.06:1
Card sample
#3987fd text on a white background
contrast 3.47:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3987fd;
Background color
Panel with #3987fd background
background-color: #3987fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3987fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 135, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 135, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3987fd; background: linear-gradient(135deg, #3987fd, #6E39FD);