#51309c
a dark, vivid violet · warm · closest name: indigo
RGB
81, 48, 156
HSL
258°, 53%, 40%
CMYK
48, 69, 0, 39
Luminance
0.0626
Every format
| HEX | #51309c |
| RGB | rgb(81, 48, 156) |
| HSL | hsl(258, 53%, 40%) |
| CMYK | cmyk(48%, 69%, 0%, 39%) |
| LAB | lab(30.1 41.0 -53.7) |
| LCH | lch(30.1 67.5 307.3) |
| OKLCH | oklch(0.415 0.165 291.6) |
Copy-ready code
/* CSS */
color: #51309c;
background-color: #51309c;
/* Tailwind (arbitrary) */
class="text-[#51309c] bg-[#51309c]"
/* SCSS */
$brand: #51309c;
/* SwiftUI */
Color(red: 0.318, green: 0.188, blue: 0.612)
/* Android */
Color.parseColor("#51309c")Accessibility — WCAG contrast
Aa
#51309c on white: 9.32:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#51309c on black: 2.25:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green18.8%
Blue61.2%
CMYK percentages
Cyan48.1%
Magenta69.2%
Yellow0.0%
Key (black)38.8%
Color previews
#51309c text on a black background
contrast 2.25:1
Card sample
#51309c text on a white background
contrast 9.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51309c;
Background color
Panel with #51309c background
background-color: #51309c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51309c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 48, 156, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 48, 156, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51309c; background: linear-gradient(135deg, #51309c, #99309C);