#3984cf
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 132, 207
HSL
210°, 61%, 52%
CMYK
73, 36, 0, 19
Luminance
0.2188
Every format
| HEX | #3984cf |
| RGB | rgb(57, 132, 207) |
| HSL | hsl(210, 61%, 52%) |
| CMYK | cmyk(73%, 36%, 0%, 19%) |
| LAB | lab(53.9 1.9 -45.4) |
| LCH | lch(53.9 45.4 272.5) |
| OKLCH | oklch(0.602 0.136 251.2) |
Copy-ready code
/* CSS */
color: #3984cf;
background-color: #3984cf;
/* Tailwind (arbitrary) */
class="text-[#3984cf] bg-[#3984cf]"
/* SCSS */
$brand: #3984cf;
/* SwiftUI */
Color(red: 0.224, green: 0.518, blue: 0.812)
/* Android */
Color.parseColor("#3984cf")Accessibility — WCAG contrast
Aa
#3984cf on white: 3.91:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3984cf on black: 5.38:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green51.8%
Blue81.2%
CMYK percentages
Cyan72.5%
Magenta36.2%
Yellow0.0%
Key (black)18.8%
Color previews
#3984cf text on a black background
contrast 5.38:1
Card sample
#3984cf text on a white background
contrast 3.91:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3984cf;
Background color
Panel with #3984cf background
background-color: #3984cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3984cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 132, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 132, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3984cf; background: linear-gradient(135deg, #3984cf, #5239CF);