#537df4
a balanced, electric blue · cool · closest name: royalblue
RGB
83, 125, 244
HSL
224°, 88%, 64%
CMYK
66, 49, 0, 4
Luminance
0.2304
Every format
| HEX | #537df4 |
| RGB | rgb(83, 125, 244) |
| HSL | hsl(224, 88%, 64%) |
| CMYK | cmyk(66%, 49%, 0%, 4%) |
| LAB | lab(55.1 23.1 -64.1) |
| LCH | lch(55.1 68.1 289.8) |
| OKLCH | oklch(0.621 0.184 266.5) |
Copy-ready code
/* CSS */
color: #537df4;
background-color: #537df4;
/* Tailwind (arbitrary) */
class="text-[#537df4] bg-[#537df4]"
/* SCSS */
$brand: #537df4;
/* SwiftUI */
Color(red: 0.325, green: 0.490, blue: 0.957)
/* Android */
Color.parseColor("#537df4")Accessibility — WCAG contrast
Aa
#537df4 on white: 3.74:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#537df4 on black: 5.61:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red32.5%
Green49.0%
Blue95.7%
CMYK percentages
Cyan66.0%
Magenta48.8%
Yellow0.0%
Key (black)4.3%
Color previews
#537df4 text on a black background
contrast 5.61:1
Card sample
#537df4 text on a white background
contrast 3.74:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #537df4;
Background color
Panel with #537df4 background
background-color: #537df4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #537df4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(83, 125, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(83, 125, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #537df4; background: linear-gradient(135deg, #537df4, #9453F4);