#3397df
a balanced, vivid blue · cool · closest name: steelblue
RGB
51, 151, 223
HSL
205°, 73%, 54%
CMYK
77, 32, 0, 13
Luminance
0.2816
Every format
| HEX | #3397df |
| RGB | rgb(51, 151, 223) |
| HSL | hsl(205, 73%, 54%) |
| CMYK | cmyk(77%, 32%, 0%, 13%) |
| LAB | lab(60.0 -4.2 -44.6) |
| LCH | lch(60.0 44.9 264.6) |
| OKLCH | oklch(0.653 0.140 244.6) |
Copy-ready code
/* CSS */
color: #3397df;
background-color: #3397df;
/* Tailwind (arbitrary) */
class="text-[#3397df] bg-[#3397df]"
/* SCSS */
$brand: #3397df;
/* SwiftUI */
Color(red: 0.200, green: 0.592, blue: 0.875)
/* Android */
Color.parseColor("#3397df")Accessibility — WCAG contrast
Aa
#3397df on white: 3.17:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3397df on black: 6.63:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green59.2%
Blue87.5%
CMYK percentages
Cyan77.1%
Magenta32.3%
Yellow0.0%
Key (black)12.5%
Color previews
#3397df text on a black background
contrast 6.63:1
Card sample
#3397df text on a white background
contrast 3.17:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3397df;
Background color
Panel with #3397df background
background-color: #3397df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3397df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 151, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 151, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3397df; background: linear-gradient(135deg, #3397df, #4133DF);