#331bdf
a balanced, electric blue · warm · closest name: blue
RGB
51, 27, 223
HSL
247°, 78%, 49%
CMYK
77, 88, 0, 13
Luminance
0.0682
Every format
| HEX | #331bdf |
| RGB | rgb(51, 27, 223) |
| HSL | hsl(247, 78%, 49%) |
| CMYK | cmyk(77%, 88%, 0%, 13%) |
| LAB | lab(31.4 66.4 -91.2) |
| LCH | lch(31.4 112.8 306.1) |
| OKLCH | oklch(0.439 0.264 272.3) |
Copy-ready code
/* CSS */
color: #331bdf;
background-color: #331bdf;
/* Tailwind (arbitrary) */
class="text-[#331bdf] bg-[#331bdf]"
/* SCSS */
$brand: #331bdf;
/* SwiftUI */
Color(red: 0.200, green: 0.106, blue: 0.875)
/* Android */
Color.parseColor("#331bdf")Accessibility — WCAG contrast
Aa
#331bdf on white: 8.89:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331bdf on black: 2.36:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green10.6%
Blue87.5%
CMYK percentages
Cyan77.1%
Magenta87.9%
Yellow0.0%
Key (black)12.5%
Color previews
#331bdf text on a black background
contrast 2.36:1
Card sample
#331bdf text on a white background
contrast 8.89:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331bdf;
Background color
Panel with #331bdf background
background-color: #331bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 27, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 27, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331bdf; background: linear-gradient(135deg, #331bdf, #B51BDF);