#370ade
a balanced, electric blue · warm · closest name: blue
RGB
55, 10, 222
HSL
253°, 91%, 46%
CMYK
75, 96, 0, 13
Luminance
0.0630
Every format
| HEX | #370ade |
| RGB | rgb(55, 10, 222) |
| HSL | hsl(253, 91%, 46%) |
| CMYK | cmyk(75%, 96%, 0%, 13%) |
| LAB | lab(30.2 70.4 -92.6) |
| LCH | lch(30.2 116.4 307.2) |
| OKLCH | oklch(0.431 0.268 273.9) |
Copy-ready code
/* CSS */
color: #370ade;
background-color: #370ade;
/* Tailwind (arbitrary) */
class="text-[#370ade] bg-[#370ade]"
/* SCSS */
$brand: #370ade;
/* SwiftUI */
Color(red: 0.216, green: 0.039, blue: 0.871)
/* Android */
Color.parseColor("#370ade")Accessibility — WCAG contrast
Aa
#370ade on white: 9.29:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#370ade on black: 2.26:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green3.9%
Blue87.1%
CMYK percentages
Cyan75.2%
Magenta95.5%
Yellow0.0%
Key (black)12.9%
Color previews
#370ade text on a black background
contrast 2.26:1
Card sample
#370ade text on a white background
contrast 9.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #370ade;
Background color
Panel with #370ade background
background-color: #370ade;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #370ade;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 10, 222, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 10, 222, 0.45);
Border & gradient
Gradient panel
border: 3px solid #370ade; background: linear-gradient(135deg, #370ade, #C40ADE);