#3f88eb
a balanced, electric blue · cool · closest name: dodgerblue
RGB
63, 136, 235
HSL
215°, 81%, 58%
CMYK
73, 42, 0, 8
Luminance
0.2466
Every format
| HEX | #3f88eb |
| RGB | rgb(63, 136, 235) |
| HSL | hsl(215, 81%, 58%) |
| CMYK | cmyk(73%, 42%, 0%, 8%) |
| LAB | lab(56.7 10.4 -56.5) |
| LCH | lch(56.7 57.5 280.4) |
| OKLCH | oklch(0.630 0.166 256.9) |
Copy-ready code
/* CSS */
color: #3f88eb;
background-color: #3f88eb;
/* Tailwind (arbitrary) */
class="text-[#3f88eb] bg-[#3f88eb]"
/* SCSS */
$brand: #3f88eb;
/* SwiftUI */
Color(red: 0.247, green: 0.533, blue: 0.922)
/* Android */
Color.parseColor("#3f88eb")Accessibility — WCAG contrast
Aa
#3f88eb on white: 3.54:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3f88eb on black: 5.93:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green53.3%
Blue92.2%
CMYK percentages
Cyan73.2%
Magenta42.1%
Yellow0.0%
Key (black)7.8%
Color previews
#3f88eb text on a black background
contrast 5.93:1
Card sample
#3f88eb text on a white background
contrast 3.54:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f88eb;
Background color
Panel with #3f88eb background
background-color: #3f88eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f88eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 136, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 136, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f88eb; background: linear-gradient(135deg, #3f88eb, #683FEB);