#338cd3
a balanced, vivid blue · cool · closest name: steelblue
RGB
51, 140, 211
HSL
207°, 65%, 51%
CMYK
76, 34, 0, 17
Luminance
0.2416
Every format
| HEX | #338cd3 |
| RGB | rgb(51, 140, 211) |
| HSL | hsl(207, 65%, 51%) |
| CMYK | cmyk(76%, 34%, 0%, 17%) |
| LAB | lab(56.3 -2.1 -43.9) |
| LCH | lch(56.3 44.0 267.2) |
| OKLCH | oklch(0.621 0.136 246.7) |
Copy-ready code
/* CSS */
color: #338cd3;
background-color: #338cd3;
/* Tailwind (arbitrary) */
class="text-[#338cd3] bg-[#338cd3]"
/* SCSS */
$brand: #338cd3;
/* SwiftUI */
Color(red: 0.200, green: 0.549, blue: 0.827)
/* Android */
Color.parseColor("#338cd3")Accessibility — WCAG contrast
Aa
#338cd3 on white: 3.60:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#338cd3 on black: 5.83:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green54.9%
Blue82.7%
CMYK percentages
Cyan75.8%
Magenta33.6%
Yellow0.0%
Key (black)17.3%
Color previews
#338cd3 text on a black background
contrast 5.83:1
Card sample
#338cd3 text on a white background
contrast 3.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #338cd3;
Background color
Panel with #338cd3 background
background-color: #338cd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #338cd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 140, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 140, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #338cd3; background: linear-gradient(135deg, #338cd3, #4533D3);