#3f72ac
a balanced, vivid blue · cool · closest name: steelblue
RGB
63, 114, 172
HSL
212°, 46%, 46%
CMYK
63, 34, 0, 33
Luminance
0.1607
Every format
| HEX | #3f72ac |
| RGB | rgb(63, 114, 172) |
| HSL | hsl(212, 46%, 46%) |
| CMYK | cmyk(63%, 34%, 0%, 33%) |
| LAB | lab(47.1 1.4 -36.0) |
| LCH | lch(47.1 36.1 272.2) |
| OKLCH | oklch(0.543 0.107 253.0) |
Copy-ready code
/* CSS */
color: #3f72ac;
background-color: #3f72ac;
/* Tailwind (arbitrary) */
class="text-[#3f72ac] bg-[#3f72ac]"
/* SCSS */
$brand: #3f72ac;
/* SwiftUI */
Color(red: 0.247, green: 0.447, blue: 0.675)
/* Android */
Color.parseColor("#3f72ac")Accessibility — WCAG contrast
Aa
#3f72ac on white: 4.98:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f72ac on black: 4.21:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green44.7%
Blue67.5%
CMYK percentages
Cyan63.4%
Magenta33.7%
Yellow0.0%
Key (black)32.5%
Color previews
#3f72ac text on a black background
contrast 4.21:1
Card sample
#3f72ac text on a white background
contrast 4.98:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f72ac;
Background color
Panel with #3f72ac background
background-color: #3f72ac;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f72ac;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 114, 172, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 114, 172, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f72ac; background: linear-gradient(135deg, #3f72ac, #553FAC);