#570b91
a dark, electric violet · warm · closest name: indigo
RGB
87, 11, 145
HSL
274°, 86%, 31%
CMYK
40, 92, 0, 43
Luminance
0.0431
Every format
| HEX | #570b91 |
| RGB | rgb(87, 11, 145) |
| HSL | hsl(274, 86%, 31%) |
| CMYK | cmyk(40%, 92%, 0%, 43%) |
| LAB | lab(24.7 53.9 -55.7) |
| LCH | lch(24.7 77.5 314.1) |
| OKLCH | oklch(0.376 0.189 302.5) |
Copy-ready code
/* CSS */
color: #570b91;
background-color: #570b91;
/* Tailwind (arbitrary) */
class="text-[#570b91] bg-[#570b91]"
/* SCSS */
$brand: #570b91;
/* SwiftUI */
Color(red: 0.341, green: 0.043, blue: 0.569)
/* Android */
Color.parseColor("#570b91")Accessibility — WCAG contrast
Aa
#570b91 on white: 11.28:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#570b91 on black: 1.86:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green4.3%
Blue56.9%
CMYK percentages
Cyan40.0%
Magenta92.4%
Yellow0.0%
Key (black)43.1%
Color previews
#570b91 text on a black background
contrast 1.86:1
Card sample
#570b91 text on a white background
contrast 11.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #570b91;
Background color
Panel with #570b91 background
background-color: #570b91;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #570b91;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 11, 145, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 11, 145, 0.45);
Border & gradient
Gradient panel
border: 3px solid #570b91; background: linear-gradient(135deg, #570b91, #910B72);