#577dfb
a light, electric blue · warm · closest name: royalblue
RGB
87, 125, 251
HSL
226°, 95%, 66%
CMYK
65, 50, 0, 2
Luminance
0.2366
Every format
| HEX | #577dfb |
| RGB | rgb(87, 125, 251) |
| HSL | hsl(226, 95%, 66%) |
| CMYK | cmyk(65%, 50%, 0%, 2%) |
| LAB | lab(55.7 26.1 -67.0) |
| LCH | lch(55.7 71.9 291.3) |
| OKLCH | oklch(0.628 0.192 267.9) |
Copy-ready code
/* CSS */
color: #577dfb;
background-color: #577dfb;
/* Tailwind (arbitrary) */
class="text-[#577dfb] bg-[#577dfb]"
/* SCSS */
$brand: #577dfb;
/* SwiftUI */
Color(red: 0.341, green: 0.490, blue: 0.984)
/* Android */
Color.parseColor("#577dfb")Accessibility — WCAG contrast
Aa
#577dfb on white: 3.66:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#577dfb on black: 5.73:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green49.0%
Blue98.4%
CMYK percentages
Cyan65.3%
Magenta50.2%
Yellow0.0%
Key (black)1.6%
Color previews
#577dfb text on a black background
contrast 5.73:1
Card sample
#577dfb text on a white background
contrast 3.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #577dfb;
Background color
Panel with #577dfb background
background-color: #577dfb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #577dfb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 125, 251, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 125, 251, 0.45);
Border & gradient
Gradient panel
border: 3px solid #577dfb; background: linear-gradient(135deg, #577dfb, #9E57FB);