#373df4
a balanced, electric blue · warm · closest name: blue
RGB
55, 61, 244
HSL
238°, 90%, 59%
CMYK
78, 75, 0, 4
Luminance
0.1068
Every format
| HEX | #373df4 |
| RGB | rgb(55, 61, 244) |
| HSL | hsl(238, 90%, 59%) |
| CMYK | cmyk(78%, 75%, 0%, 4%) |
| LAB | lab(39.0 58.0 -90.4) |
| LCH | lch(39.0 107.4 302.7) |
| OKLCH | oklch(0.499 0.262 270.6) |
Copy-ready code
/* CSS */
color: #373df4;
background-color: #373df4;
/* Tailwind (arbitrary) */
class="text-[#373df4] bg-[#373df4]"
/* SCSS */
$brand: #373df4;
/* SwiftUI */
Color(red: 0.216, green: 0.239, blue: 0.957)
/* Android */
Color.parseColor("#373df4")Accessibility — WCAG contrast
Aa
#373df4 on white: 6.70:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#373df4 on black: 3.14:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green23.9%
Blue95.7%
CMYK percentages
Cyan77.5%
Magenta75.0%
Yellow0.0%
Key (black)4.3%
Color previews
#373df4 text on a black background
contrast 3.14:1
Card sample
#373df4 text on a white background
contrast 6.70:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #373df4;
Background color
Panel with #373df4 background
background-color: #373df4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #373df4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 61, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 61, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #373df4; background: linear-gradient(135deg, #373df4, #AF37F4);