#331188
a dark, electric violet · warm · closest name: indigo
RGB
51, 17, 136
HSL
257°, 78%, 30%
CMYK
63, 88, 0, 47
Luminance
0.0288
Every format
| HEX | #331188 |
| RGB | rgb(51, 17, 136) |
| HSL | hsl(257, 78%, 30%) |
| CMYK | cmyk(63%, 88%, 0%, 47%) |
| LAB | lab(19.6 45.9 -58.7) |
| LCH | lch(19.6 74.5 308.0) |
| OKLCH | oklch(0.328 0.175 284.3) |
Copy-ready code
/* CSS */
color: #331188;
background-color: #331188;
/* Tailwind (arbitrary) */
class="text-[#331188] bg-[#331188]"
/* SCSS */
$brand: #331188;
/* SwiftUI */
Color(red: 0.200, green: 0.067, blue: 0.533)
/* Android */
Color.parseColor("#331188")Accessibility — WCAG contrast
Aa
#331188 on white: 13.32:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331188 on black: 1.58:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green6.7%
Blue53.3%
CMYK percentages
Cyan62.5%
Magenta87.5%
Yellow0.0%
Key (black)46.7%
Color previews
#331188 text on a black background
contrast 1.58:1
Card sample
#331188 text on a white background
contrast 13.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331188;
Background color
Panel with #331188 background
background-color: #331188;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331188;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 17, 136, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 17, 136, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331188; background: linear-gradient(135deg, #331188, #821188);