#373cd3
a balanced, vivid blue · warm · closest name: slateblue
RGB
55, 60, 211
HSL
238°, 64%, 52%
CMYK
74, 72, 0, 17
Luminance
0.0875
Every format
| HEX | #373cd3 |
| RGB | rgb(55, 60, 211) |
| HSL | hsl(238, 64%, 52%) |
| CMYK | cmyk(74%, 72%, 0%, 17%) |
| LAB | lab(35.5 47.9 -77.5) |
| LCH | lch(35.5 91.1 301.8) |
| OKLCH | oklch(0.464 0.224 272.1) |
Copy-ready code
/* CSS */
color: #373cd3;
background-color: #373cd3;
/* Tailwind (arbitrary) */
class="text-[#373cd3] bg-[#373cd3]"
/* SCSS */
$brand: #373cd3;
/* SwiftUI */
Color(red: 0.216, green: 0.235, blue: 0.827)
/* Android */
Color.parseColor("#373cd3")Accessibility — WCAG contrast
Aa
#373cd3 on white: 7.64:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#373cd3 on black: 2.75:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green23.5%
Blue82.7%
CMYK percentages
Cyan73.9%
Magenta71.6%
Yellow0.0%
Key (black)17.3%
Color previews
#373cd3 text on a black background
contrast 2.75:1
Card sample
#373cd3 text on a white background
contrast 7.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #373cd3;
Background color
Panel with #373cd3 background
background-color: #373cd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #373cd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 60, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 60, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #373cd3; background: linear-gradient(135deg, #373cd3, #9A37D3);