#3973fd
a balanced, electric blue · cool · closest name: royalblue
RGB
57, 115, 253
HSL
222°, 98%, 61%
CMYK
78, 55, 0, 1
Luminance
0.2022
Every format
| HEX | #3973fd |
| RGB | rgb(57, 115, 253) |
| HSL | hsl(222, 98%, 61%) |
| CMYK | cmyk(78%, 55%, 0%, 1%) |
| LAB | lab(52.1 29.2 -74.0) |
| LCH | lch(52.1 79.6 291.5) |
| OKLCH | oklch(0.597 0.215 263.8) |
Copy-ready code
/* CSS */
color: #3973fd;
background-color: #3973fd;
/* Tailwind (arbitrary) */
class="text-[#3973fd] bg-[#3973fd]"
/* SCSS */
$brand: #3973fd;
/* SwiftUI */
Color(red: 0.224, green: 0.451, blue: 0.992)
/* Android */
Color.parseColor("#3973fd")Accessibility — WCAG contrast
Aa
#3973fd on white: 4.16:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3973fd on black: 5.04:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green45.1%
Blue99.2%
CMYK percentages
Cyan77.5%
Magenta54.5%
Yellow0.0%
Key (black)0.8%
Color previews
#3973fd text on a black background
contrast 5.04:1
Card sample
#3973fd text on a white background
contrast 4.16:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3973fd;
Background color
Panel with #3973fd background
background-color: #3973fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3973fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 115, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 115, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3973fd; background: linear-gradient(135deg, #3973fd, #8239FD);