#331fba
a dark, vivid blue · warm · closest name: navy
RGB
51, 31, 186
HSL
248°, 71%, 43%
CMYK
73, 83, 0, 27
Luminance
0.0523
Every format
| HEX | #331fba |
| RGB | rgb(51, 31, 186) |
| HSL | hsl(248, 71%, 43%) |
| CMYK | cmyk(73%, 83%, 0%, 27%) |
| LAB | lab(27.4 54.6 -76.3) |
| LCH | lch(27.4 93.8 305.6) |
| OKLCH | oklch(0.398 0.221 275.3) |
Copy-ready code
/* CSS */
color: #331fba;
background-color: #331fba;
/* Tailwind (arbitrary) */
class="text-[#331fba] bg-[#331fba]"
/* SCSS */
$brand: #331fba;
/* SwiftUI */
Color(red: 0.200, green: 0.122, blue: 0.729)
/* Android */
Color.parseColor("#331fba")Accessibility — WCAG contrast
Aa
#331fba on white: 10.26:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331fba on black: 2.05:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green12.2%
Blue72.9%
CMYK percentages
Cyan72.6%
Magenta83.3%
Yellow0.0%
Key (black)27.1%
Color previews
#331fba text on a black background
contrast 2.05:1
Card sample
#331fba text on a white background
contrast 10.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331fba;
Background color
Panel with #331fba background
background-color: #331fba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331fba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 31, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 31, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331fba; background: linear-gradient(135deg, #331fba, #9A1FBA);