#378fd2
a balanced, vivid blue · cool · closest name: steelblue
RGB
55, 143, 210
HSL
206°, 63%, 52%
CMYK
74, 32, 0, 18
Luminance
0.2511
Every format
| HEX | #378fd2 |
| RGB | rgb(55, 143, 210) |
| HSL | hsl(206, 63%, 52%) |
| CMYK | cmyk(74%, 32%, 0%, 18%) |
| LAB | lab(57.2 -3.7 -41.9) |
| LCH | lch(57.2 42.0 264.9) |
| OKLCH | oklch(0.628 0.131 245.3) |
Copy-ready code
/* CSS */
color: #378fd2;
background-color: #378fd2;
/* Tailwind (arbitrary) */
class="text-[#378fd2] bg-[#378fd2]"
/* SCSS */
$brand: #378fd2;
/* SwiftUI */
Color(red: 0.216, green: 0.561, blue: 0.824)
/* Android */
Color.parseColor("#378fd2")Accessibility — WCAG contrast
Aa
#378fd2 on white: 3.49:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#378fd2 on black: 6.02:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green56.1%
Blue82.4%
CMYK percentages
Cyan73.8%
Magenta31.9%
Yellow0.0%
Key (black)17.6%
Color previews
#378fd2 text on a black background
contrast 6.02:1
Card sample
#378fd2 text on a white background
contrast 3.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #378fd2;
Background color
Panel with #378fd2 background
background-color: #378fd2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #378fd2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 143, 210, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 143, 210, 0.45);
Border & gradient
Gradient panel
border: 3px solid #378fd2; background: linear-gradient(135deg, #378fd2, #4637D2);