#338fdf
a balanced, vivid blue · cool · closest name: steelblue
RGB
51, 143, 223
HSL
208°, 73%, 54%
CMYK
77, 36, 0, 13
Luminance
0.2568
Every format
| HEX | #338fdf |
| RGB | rgb(51, 143, 223) |
| HSL | hsl(208, 73%, 54%) |
| CMYK | cmyk(77%, 36%, 0%, 13%) |
| LAB | lab(57.7 0.4 -48.3) |
| LCH | lch(57.7 48.3 270.5) |
| OKLCH | oklch(0.634 0.147 248.9) |
Copy-ready code
/* CSS */
color: #338fdf;
background-color: #338fdf;
/* Tailwind (arbitrary) */
class="text-[#338fdf] bg-[#338fdf]"
/* SCSS */
$brand: #338fdf;
/* SwiftUI */
Color(red: 0.200, green: 0.561, blue: 0.875)
/* Android */
Color.parseColor("#338fdf")Accessibility — WCAG contrast
Aa
#338fdf on white: 3.42:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#338fdf on black: 6.14:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green56.1%
Blue87.5%
CMYK percentages
Cyan77.1%
Magenta35.9%
Yellow0.0%
Key (black)12.5%
Color previews
#338fdf text on a black background
contrast 6.14:1
Card sample
#338fdf text on a white background
contrast 3.42:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #338fdf;
Background color
Panel with #338fdf background
background-color: #338fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #338fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 143, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 143, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #338fdf; background: linear-gradient(135deg, #338fdf, #4A33DF);