#331cd7
a balanced, electric blue · warm · closest name: blue
RGB
51, 28, 215
HSL
247°, 77%, 48%
CMYK
76, 87, 0, 16
Luminance
0.0644
Every format
| HEX | #331cd7 |
| RGB | rgb(51, 28, 215) |
| HSL | hsl(247, 77%, 48%) |
| CMYK | cmyk(76%, 87%, 0%, 16%) |
| LAB | lab(30.5 63.9 -88.0) |
| LCH | lch(30.5 108.8 306.0) |
| OKLCH | oklch(0.430 0.255 272.9) |
Copy-ready code
/* CSS */
color: #331cd7;
background-color: #331cd7;
/* Tailwind (arbitrary) */
class="text-[#331cd7] bg-[#331cd7]"
/* SCSS */
$brand: #331cd7;
/* SwiftUI */
Color(red: 0.200, green: 0.110, blue: 0.843)
/* Android */
Color.parseColor("#331cd7")Accessibility — WCAG contrast
Aa
#331cd7 on white: 9.18:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331cd7 on black: 2.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green11.0%
Blue84.3%
CMYK percentages
Cyan76.3%
Magenta87.0%
Yellow0.0%
Key (black)15.7%
Color previews
#331cd7 text on a black background
contrast 2.29:1
Card sample
#331cd7 text on a white background
contrast 9.18:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331cd7;
Background color
Panel with #331cd7 background
background-color: #331cd7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331cd7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 28, 215, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 28, 215, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331cd7; background: linear-gradient(135deg, #331cd7, #B01CD7);