#366dbb
a balanced, vivid blue · cool · closest name: steelblue
RGB
54, 109, 187
HSL
215°, 55%, 47%
CMYK
71, 42, 0, 27
Luminance
0.1531
Every format
| HEX | #366dbb |
| RGB | rgb(54, 109, 187) |
| HSL | hsl(215, 55%, 47%) |
| CMYK | cmyk(71%, 42%, 0%, 27%) |
| LAB | lab(46.0 8.4 -46.4) |
| LCH | lch(46.0 47.1 280.2) |
| OKLCH | oklch(0.537 0.136 257.5) |
Copy-ready code
/* CSS */
color: #366dbb;
background-color: #366dbb;
/* Tailwind (arbitrary) */
class="text-[#366dbb] bg-[#366dbb]"
/* SCSS */
$brand: #366dbb;
/* SwiftUI */
Color(red: 0.212, green: 0.427, blue: 0.733)
/* Android */
Color.parseColor("#366dbb")Accessibility — WCAG contrast
Aa
#366dbb on white: 5.17:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#366dbb on black: 4.06:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.2%
Green42.7%
Blue73.3%
CMYK percentages
Cyan71.1%
Magenta41.7%
Yellow0.0%
Key (black)26.7%
Color previews
#366dbb text on a black background
contrast 4.06:1
Card sample
#366dbb text on a white background
contrast 5.17:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #366dbb;
Background color
Panel with #366dbb background
background-color: #366dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #366dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(54, 109, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(54, 109, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #366dbb; background: linear-gradient(135deg, #366dbb, #5836BB);