#331ffd
a balanced, electric blue · warm · closest name: blue
RGB
51, 31, 253
HSL
245°, 98%, 56%
CMYK
80, 88, 0, 1
Luminance
0.0878
Every format
| HEX | #331ffd |
| RGB | rgb(51, 31, 253) |
| HSL | hsl(245, 98%, 56%) |
| CMYK | cmyk(80%, 88%, 0%, 1%) |
| LAB | lab(35.5 73.1 -101.3) |
| LCH | lch(35.5 124.9 305.8) |
| OKLCH | oklch(0.477 0.293 270.5) |
Copy-ready code
/* CSS */
color: #331ffd;
background-color: #331ffd;
/* Tailwind (arbitrary) */
class="text-[#331ffd] bg-[#331ffd]"
/* SCSS */
$brand: #331ffd;
/* SwiftUI */
Color(red: 0.200, green: 0.122, blue: 0.992)
/* Android */
Color.parseColor("#331ffd")Accessibility — WCAG contrast
Aa
#331ffd on white: 7.62:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331ffd on black: 2.76:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green12.2%
Blue99.2%
CMYK percentages
Cyan79.8%
Magenta87.7%
Yellow0.0%
Key (black)0.8%
Color previews
#331ffd text on a black background
contrast 2.76:1
Card sample
#331ffd text on a white background
contrast 7.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331ffd;
Background color
Panel with #331ffd background
background-color: #331ffd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331ffd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 31, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 31, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331ffd; background: linear-gradient(135deg, #331ffd, #C71FFD);