#3f87cd
a balanced, vivid blue · cool · closest name: steelblue
RGB
63, 135, 205
HSL
210°, 59%, 53%
CMYK
69, 34, 0, 20
Luminance
0.2279
Every format
| HEX | #3f87cd |
| RGB | rgb(63, 135, 205) |
| HSL | hsl(210, 59%, 53%) |
| CMYK | cmyk(69%, 34%, 0%, 20%) |
| LAB | lab(54.9 0.3 -42.7) |
| LCH | lch(54.9 42.7 270.4) |
| OKLCH | oklch(0.610 0.129 250.2) |
Copy-ready code
/* CSS */
color: #3f87cd;
background-color: #3f87cd;
/* Tailwind (arbitrary) */
class="text-[#3f87cd] bg-[#3f87cd]"
/* SCSS */
$brand: #3f87cd;
/* SwiftUI */
Color(red: 0.247, green: 0.529, blue: 0.804)
/* Android */
Color.parseColor("#3f87cd")Accessibility — WCAG contrast
Aa
#3f87cd on white: 3.78:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3f87cd on black: 5.56:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green52.9%
Blue80.4%
CMYK percentages
Cyan69.3%
Magenta34.1%
Yellow0.0%
Key (black)19.6%
Color previews
#3f87cd text on a black background
contrast 5.56:1
Card sample
#3f87cd text on a white background
contrast 3.78:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f87cd;
Background color
Panel with #3f87cd background
background-color: #3f87cd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f87cd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 135, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 135, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f87cd; background: linear-gradient(135deg, #3f87cd, #563FCD);