#338acf
a balanced, vivid blue · cool · closest name: steelblue
RGB
51, 138, 207
HSL
207°, 62%, 51%
CMYK
75, 33, 0, 19
Luminance
0.2339
Every format
| HEX | #338acf |
| RGB | rgb(51, 138, 207) |
| HSL | hsl(207, 62%, 51%) |
| CMYK | cmyk(75%, 33%, 0%, 19%) |
| LAB | lab(55.5 -2.4 -42.9) |
| LCH | lch(55.5 43.0 266.8) |
| OKLCH | oklch(0.614 0.133 246.5) |
Copy-ready code
/* CSS */
color: #338acf;
background-color: #338acf;
/* Tailwind (arbitrary) */
class="text-[#338acf] bg-[#338acf]"
/* SCSS */
$brand: #338acf;
/* SwiftUI */
Color(red: 0.200, green: 0.541, blue: 0.812)
/* Android */
Color.parseColor("#338acf")Accessibility — WCAG contrast
Aa
#338acf on white: 3.70:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#338acf on black: 5.68:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green54.1%
Blue81.2%
CMYK percentages
Cyan75.4%
Magenta33.3%
Yellow0.0%
Key (black)18.8%
Color previews
#338acf text on a black background
contrast 5.68:1
Card sample
#338acf text on a white background
contrast 3.70:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #338acf;
Background color
Panel with #338acf background
background-color: #338acf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #338acf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 138, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 138, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #338acf; background: linear-gradient(135deg, #338acf, #4433CF);