#374fdf
a balanced, vivid blue · warm · closest name: slateblue
RGB
55, 79, 223
HSL
231°, 72%, 55%
CMYK
75, 65, 0, 13
Luminance
0.1173
Every format
| HEX | #374fdf |
| RGB | rgb(55, 79, 223) |
| HSL | hsl(231, 72%, 55%) |
| CMYK | cmyk(75%, 65%, 0%, 13%) |
| LAB | lab(40.8 40.7 -75.6) |
| LCH | lch(40.8 85.9 298.3) |
| OKLCH | oklch(0.506 0.219 269.3) |
Copy-ready code
/* CSS */
color: #374fdf;
background-color: #374fdf;
/* Tailwind (arbitrary) */
class="text-[#374fdf] bg-[#374fdf]"
/* SCSS */
$brand: #374fdf;
/* SwiftUI */
Color(red: 0.216, green: 0.310, blue: 0.875)
/* Android */
Color.parseColor("#374fdf")Accessibility — WCAG contrast
Aa
#374fdf on white: 6.28:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#374fdf on black: 3.35:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green31.0%
Blue87.5%
CMYK percentages
Cyan75.3%
Magenta64.6%
Yellow0.0%
Key (black)12.5%
Color previews
#374fdf text on a black background
contrast 3.35:1
Card sample
#374fdf text on a white background
contrast 6.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #374fdf;
Background color
Panel with #374fdf background
background-color: #374fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #374fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 79, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 79, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #374fdf; background: linear-gradient(135deg, #374fdf, #8F37DF);