#3583af
a dark, vivid blue · cool · closest name: steelblue
RGB
53, 131, 175
HSL
202°, 54%, 45%
CMYK
70, 25, 0, 31
Luminance
0.2008
Every format
| HEX | #3583af |
| RGB | rgb(53, 131, 175) |
| HSL | hsl(202, 54%, 45%) |
| CMYK | cmyk(70%, 25%, 0%, 31%) |
| LAB | lab(51.9 -9.3 -30.2) |
| LCH | lch(51.9 31.6 252.8) |
| OKLCH | oklch(0.581 0.101 237.0) |
Copy-ready code
/* CSS */
color: #3583af;
background-color: #3583af;
/* Tailwind (arbitrary) */
class="text-[#3583af] bg-[#3583af]"
/* SCSS */
$brand: #3583af;
/* SwiftUI */
Color(red: 0.208, green: 0.514, blue: 0.686)
/* Android */
Color.parseColor("#3583af")Accessibility — WCAG contrast
Aa
#3583af on white: 4.19:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3583af on black: 5.02:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green51.4%
Blue68.6%
CMYK percentages
Cyan69.7%
Magenta25.1%
Yellow0.0%
Key (black)31.4%
Color previews
#3583af text on a black background
contrast 5.02:1
Card sample
#3583af text on a white background
contrast 4.19:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3583af;
Background color
Panel with #3583af background
background-color: #3583af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3583af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 131, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 131, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3583af; background: linear-gradient(135deg, #3583af, #3835AF);