#375dbb
a balanced, vivid blue · cool · closest name: royalblue
RGB
55, 93, 187
HSL
223°, 55%, 48%
CMYK
71, 50, 0, 27
Luminance
0.1223
Every format
| HEX | #375dbb |
| RGB | rgb(55, 93, 187) |
| HSL | hsl(223, 55%, 48%) |
| CMYK | cmyk(71%, 50%, 0%, 27%) |
| LAB | lab(41.6 18.7 -53.6) |
| LCH | lch(41.6 56.8 289.3) |
| OKLCH | oklch(0.503 0.154 264.8) |
Copy-ready code
/* CSS */
color: #375dbb;
background-color: #375dbb;
/* Tailwind (arbitrary) */
class="text-[#375dbb] bg-[#375dbb]"
/* SCSS */
$brand: #375dbb;
/* SwiftUI */
Color(red: 0.216, green: 0.365, blue: 0.733)
/* Android */
Color.parseColor("#375dbb")Accessibility — WCAG contrast
Aa
#375dbb on white: 6.09:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#375dbb on black: 3.45:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green36.5%
Blue73.3%
CMYK percentages
Cyan70.6%
Magenta50.3%
Yellow0.0%
Key (black)26.7%
Color previews
#375dbb text on a black background
contrast 3.45:1
Card sample
#375dbb text on a white background
contrast 6.09:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #375dbb;
Background color
Panel with #375dbb background
background-color: #375dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #375dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 93, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 93, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #375dbb; background: linear-gradient(135deg, #375dbb, #6937BB);