#337dfd
a balanced, electric blue · cool · closest name: royalblue
RGB
51, 125, 253
HSL
218°, 98%, 60%
CMYK
80, 51, 0, 1
Luminance
0.2246
Every format
| HEX | #337dfd |
| RGB | rgb(51, 125, 253) |
| HSL | hsl(218, 98%, 60%) |
| CMYK | cmyk(80%, 51%, 0%, 1%) |
| LAB | lab(54.5 22.4 -70.1) |
| LCH | lch(54.5 73.6 287.7) |
| OKLCH | oklch(0.615 0.205 260.6) |
Copy-ready code
/* CSS */
color: #337dfd;
background-color: #337dfd;
/* Tailwind (arbitrary) */
class="text-[#337dfd] bg-[#337dfd]"
/* SCSS */
$brand: #337dfd;
/* SwiftUI */
Color(red: 0.200, green: 0.490, blue: 0.992)
/* Android */
Color.parseColor("#337dfd")Accessibility — WCAG contrast
Aa
#337dfd on white: 3.82:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#337dfd on black: 5.49:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green49.0%
Blue99.2%
CMYK percentages
Cyan79.8%
Magenta50.6%
Yellow0.0%
Key (black)0.8%
Color previews
#337dfd text on a black background
contrast 5.49:1
Card sample
#337dfd text on a white background
contrast 3.82:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #337dfd;
Background color
Panel with #337dfd background
background-color: #337dfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #337dfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 125, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 125, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #337dfd; background: linear-gradient(135deg, #337dfd, #7033FD);