#2f57df
a balanced, vivid blue · warm · closest name: royalblue
RGB
47, 87, 223
HSL
226°, 73%, 53%
CMYK
79, 61, 0, 13
Luminance
0.1275
Every format
| HEX | #2f57df |
| RGB | rgb(47, 87, 223) |
| HSL | hsl(226, 73%, 53%) |
| CMYK | cmyk(79%, 61%, 0%, 13%) |
| LAB | lab(42.4 34.9 -73.0) |
| LCH | lch(42.4 81.0 295.6) |
| OKLCH | oklch(0.516 0.212 266.2) |
Copy-ready code
/* CSS */
color: #2f57df;
background-color: #2f57df;
/* Tailwind (arbitrary) */
class="text-[#2f57df] bg-[#2f57df]"
/* SCSS */
$brand: #2f57df;
/* SwiftUI */
Color(red: 0.184, green: 0.341, blue: 0.875)
/* Android */
Color.parseColor("#2f57df")Accessibility — WCAG contrast
Aa
#2f57df on white: 5.92:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#2f57df on black: 3.55:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.4%
Green34.1%
Blue87.5%
CMYK percentages
Cyan78.9%
Magenta61.0%
Yellow0.0%
Key (black)12.5%
Color previews
#2f57df text on a black background
contrast 3.55:1
Card sample
#2f57df text on a white background
contrast 5.92:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2f57df;
Background color
Panel with #2f57df background
background-color: #2f57df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2f57df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(47, 87, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(47, 87, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2f57df; background: linear-gradient(135deg, #2f57df, #7C2FDF);