#331d87
a dark, vivid blue · warm · closest name: midnightblue
RGB
51, 29, 135
HSL
253°, 65%, 32%
CMYK
62, 79, 0, 47
Luminance
0.0333
Every format
| HEX | #331d87 |
| RGB | rgb(51, 29, 135) |
| HSL | hsl(253, 65%, 32%) |
| CMYK | cmyk(62%, 79%, 0%, 47%) |
| LAB | lab(21.3 40.1 -55.2) |
| LCH | lch(21.3 68.2 306.0) |
| OKLCH | oklch(0.340 0.163 282.9) |
Copy-ready code
/* CSS */
color: #331d87;
background-color: #331d87;
/* Tailwind (arbitrary) */
class="text-[#331d87] bg-[#331d87]"
/* SCSS */
$brand: #331d87;
/* SwiftUI */
Color(red: 0.200, green: 0.114, blue: 0.529)
/* Android */
Color.parseColor("#331d87")Accessibility — WCAG contrast
Aa
#331d87 on white: 12.60:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331d87 on black: 1.67:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green11.4%
Blue52.9%
CMYK percentages
Cyan62.2%
Magenta78.5%
Yellow0.0%
Key (black)47.1%
Color previews
#331d87 text on a black background
contrast 1.67:1
Card sample
#331d87 text on a white background
contrast 12.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331d87;
Background color
Panel with #331d87 background
background-color: #331d87;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331d87;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 29, 135, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 29, 135, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331d87; background: linear-gradient(135deg, #331d87, #7A1D87);